{"id":1716,"date":"2021-07-23T10:45:13","date_gmt":"2021-07-23T05:15:13","guid":{"rendered":"http:\/\/mcq-questions.com\/?p=1716"},"modified":"2022-03-02T10:23:56","modified_gmt":"2022-03-02T04:53:56","slug":"ncert-solutions-for-class-9-science-chapter-9-hindi","status":"publish","type":"post","link":"https:\/\/mcq-questions.com\/ncert-solutions-for-class-9-science-chapter-9-hindi\/","title":{"rendered":"NCERT Solutions for Class 9 Science Chapter 9 Force and Laws of Motion (Hindi Medium)"},"content":{"rendered":"

NCERT Solutions for Class 9 Science Chapter 9 Force and Laws of Motion (Hindi Medium)<\/span><\/h2>\n

These Solutions are part of NCERT Solutions for Class 9 Science in Hindi Medium<\/a>. Here we have given NCERT Solutions for Class 9 Science Chapter 9 Force and Laws of Motion.<\/p>\n

\u092a\u093e\u0920\u0917\u0924 \u0939\u0932 \u092a\u094d\u0930\u0936\u094d\u0928 (NCERT IN-TEXT QUESTIONS SOLVED)<\/strong><\/span><\/p>\n

NCERT \u092a\u093e\u0920\u094d\u092f\u092a\u0941\u0938\u094d\u0924\u0915 ( \u092a\u0943\u0937\u094d\u0920 \u0938\u0902\u0916\u094d\u092f\u093e 131)<\/strong><\/p>\n

\u092a\u094d\u0930\u0966 1. \u0928\u093f\u092e\u094d\u0928 \u092e\u0947\u0902 \u0915\u093f\u0938\u0915\u093e \u091c\u0921\u093c\u0924\u094d\u0935 \u0905\u0927\u093f\u0915 \u0939\u0948?<\/strong>
\n(a) \u090f\u0915 \u0930\u092c\u0930 \u0915\u0940 \u0917\u0947\u0902\u0926 \u090f\u0935\u0902 \u0909\u0938\u0940 \u0906\u0915\u093e\u0930 \u0915\u093e \u092a\u0924\u094d\u0925\u0930\u0964<\/strong>
\n(b) \u090f\u0915 \u0938\u093e\u0907\u0915\u093f\u0932 \u090f\u0935\u0902 \u090f\u0915 \u0930\u0947\u0932\u0917\u093e\u0921\u093c\u0940\u0964<\/strong>
\n(c) \u092a\u093e\u0901\u091a \u0930\u0941\u092a\u092f\u0947 \u0915\u093e \u090f\u0915 \u0938\u093f\u0915\u094d\u0915\u093e \u090f\u0935\u0902 \u090f\u0915 \u0930\u0941\u092a\u092f\u0947 \u0915\u093e \u0938\u093f\u0915\u094d\u0915\u093e\u0964<\/strong>
\n\u0909\u0924\u094d\u0924\u0930-<\/strong>
\n(a) \u0909\u0938\u0940 \u0906\u0915\u093e\u0930 \u0915\u093e \u092a\u0924\u094d\u0925\u0930\u0964
\n(b) \u090f\u0915 \u0930\u0947\u0932\u0917\u093e\u0921\u093c\u0940\u0964
\n(c) \u092a\u093e\u0901\u091a \u0930\u0941\u092a\u092f\u0947 \u0915\u093e \u090f\u0915 \u0938\u093f\u0915\u094d\u0915\u093e\u0964 \u0915\u094d\u092f\u094b\u0902\u0915\u093f \u0915\u093f\u0938\u0940 \u0935\u0938\u094d\u0924\u0941 \u0915\u093e \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 \u0909\u0938\u0915\u0947 \u091c\u0921\u093c\u0924\u094d\u0935 \u0915\u0940 \u092e\u093e\u092a \u0939\u0948\u0964 \u091c\u093f\u0924\u0928\u093e \u0905\u0927\u093f\u0915 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 \u0939\u094b\u0917\u093e, \u091c\u0921\u093c\u0924\u094d\u0935 \u092d\u0940 \u0909\u0924\u0928\u093e \u0939\u0940 \u0905\u0927\u093f\u0915 \u0939\u094b\u0917\u093e\u0964<\/p>\n

\u092a\u094d\u0930\u0966 2. \u0928\u0940\u091a\u0947 \u0926\u093f\u090f \u0917\u090f \u0909\u0926\u093e\u0939\u0930\u0923 \u092e\u0947\u0902 \u0917\u0947\u0902\u0926 \u0915\u093e \u0935\u0947\u0917 \u0915\u093f\u0924\u0928\u0940 \u092c\u093e\u0930 \u092c\u0926\u0932\u0924\u093e \u0939\u0948, \u091c\u093e\u0928\u0928\u0947 \u0915\u093e \u092a\u094d\u0930\u092f\u093e\u0938 \u0915\u0930\u0947\u0902-<\/strong>
\n\u201c\u092b\u0941\u091f\u092c\u093e\u0932 \u0915\u093e \u090f\u0915 \u0916\u093f\u0932\u093e\u0921\u093c\u0940 \u0917\u0947\u0902\u0926 \u092a\u0930 \u0915\u093f\u0915 \u0932\u0917\u093e\u0915\u0930 \u0917\u0947\u0902\u0926 \u0915\u094b \u0905\u092a\u0928\u0940 \u091f\u0940\u092e \u0915\u0947 \u0926\u0942\u0938\u0930\u0947 \u0916\u093f\u0932\u093e\u0921\u093c\u0940 \u0915\u0947 \u092a\u093e\u0938 \u092a\u0939\u0941\u0901\u091a\u093e\u0924\u093e \u0939\u0948\u0964 \u0926\u0942\u0938\u0930\u093e \u0916\u093f\u0932\u093e\u0921\u093c\u0940 \u0909\u0938 \u0917\u0947\u0902\u0926 \u0915\u094b \u0915\u093f\u0915 \u0932\u0917\u093e\u0915\u0930 \u0917\u094b\u0932 \u0915\u0940 \u0913\u0930 \u092a\u0939\u0941\u0901\u091a\u093e\u0928\u0947 \u0915\u093e \u092a\u094d\u0930\u092f\u093e\u0938 \u0915\u0930\u0924\u093e \u0939\u0948\u0964 \u0935\u093f\u092a\u0915\u094d\u0937\u0940 \u091f\u0940\u092e \u0915\u093e \u0917\u094b\u0932\u0915\u0940\u092a\u0930 \u0917\u0947\u0902\u0926 \u0915\u094b \u092a\u0915\u0921\u093c\u0924\u093e \u0939\u0948 \u0914\u0930 \u0905\u092a\u0928\u0940 \u091f\u0940\u092e \u0915\u0947 \u0916\u093f\u0932\u093e\u0921\u093c\u0940 \u0915\u0940 \u0913\u0930 \u0915\u093f\u0915 \u0932\u0917\u093e\u0924\u093e \u0939\u0948\u0964”<\/strong>
\n\u0907\u0938\u0915\u0947 \u0938\u093e\u0925 \u0939\u0940 \u0909\u0938 \u0915\u093e\u0930\u0915 \u0915\u0940 \u092d\u0940 \u092a\u0939\u091a\u093e\u0928 \u0915\u0930\u0947\u0902 \u091c\u094b \u092a\u094d\u0930\u0924\u094d\u092f\u0947\u0915 \u0905\u0935\u0938\u094d\u0925\u093e \u092e\u0947\u0902 \u092c\u0932 \u092a\u094d\u0930\u0926\u093e\u0928 \u0915\u0930\u0924\u093e \u0939\u0948\u0964<\/strong>
\n\u0909\u0924\u094d\u0924\u0930-<\/strong>
\n\"NCERT
\n\u0905\u0924\u0903 \u0917\u0947\u0902\u0926 \u0915\u093e \u0935\u0947\u0917 4 \u092c\u093e\u0930 \u092a\u0930\u093f\u0935\u0930\u094d\u0924\u093f\u0924 \u0939\u094b\u0924\u093e \u0939\u0948 \u0924\u0925\u093e \u0935\u0938\u094d\u0924\u0941 \u0915\u094b \u0917\u0924\u093f \u092a\u094d\u0930\u0926\u093e\u0928 \u0915\u0930\u0928\u0947 \u092f\u093e \u0917\u0924\u093f \u092e\u0947\u0902 \u092a\u0930\u093f\u0935\u0930\u094d\u0924\u0928 \u0932\u093e\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0916\u0940\u0902\u091a\u0928\u093e, \u0927\u0915\u0947\u0932\u0928\u093e \u092f\u093e \u0920\u094b\u0915\u0930 \u0932\u0917\u093e\u0928\u093e (Push) \u092a\u0921\u093c\u0924\u093e \u0939\u0948\u0964<\/p>\n

\u092a\u094d\u0930\u0966 3. \u0915\u093f\u0938\u0940 \u092a\u0947\u0921\u093c \u0915\u0940 \u0936\u093e\u0916\u093e \u0915\u094b \u0924\u0940\u0935\u094d\u0930\u0924\u093e \u0938\u0947 \u0939\u093f\u0932\u093e\u0928\u0947 \u092a\u0930 \u0915\u0941\u091b \u092a\u0924\u094d\u0924\u093f\u092f\u093e\u0901 \u091d\u0921\u093c \u091c\u093e\u0924\u0940 \u0939\u0948\u0902\u0964 \u0915\u094d\u092f\u094b\u0902?<\/strong>
\n\u0909\u0924\u094d\u0924\u0930-<\/strong> \u091c\u092c \u092a\u0947\u0921\u093c \u0915\u0940 \u0936\u093e\u0916\u093e \u0915\u094b \u0924\u0940\u0935\u094d\u0930\u0924\u093e \u0938\u0947 \u0939\u093f\u0932\u093e\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948 \u0924\u094b \u0936\u093e\u0916\u093e\u090f\u0901 \u0917\u0924\u093f \u092e\u0947\u0902 \u0906 \u091c\u093e\u0924\u0940 \u0939\u0948\u0902, \u092a\u0930\u0902\u0924\u0941 \u092a\u0924\u094d\u0924\u093f\u092f\u093e\u0901 \u0935\u093f\u0930\u093e\u092e\u093e\u0935\u0938\u094d\u0925\u093e \u092e\u0947\u0902 \u0939\u0940 \u0930\u0939\u0924\u0940 \u0939\u0948\u0902\u0964 \u0935\u093f\u0930\u093e\u092e-\u091c\u0921\u093c\u0924\u094d\u0935 \u0915\u0947 \u0915\u093e\u0930\u0923 \u092a\u0924\u094d\u0924\u093f\u092f\u093e\u0901 \u0905\u092a\u0928\u0940 \u0907\u0938\u0940 \u0905\u0935\u0938\u094d\u0925\u093e \u092e\u0947\u0902 \u0930\u0939\u0928\u093e \u091a\u093e\u0939\u0924\u0940 \u0939\u0948\u0902 \u0905\u0930\u094d\u0925\u093e\u0924\u094d \u092a\u0924\u094d\u0924\u093f\u092f\u093e\u0901 \u0905\u0935\u0938\u094d\u0925\u093e \u092a\u0930\u093f\u0935\u0930\u094d\u0924\u0928 \u0915\u093e \u0935\u093f\u0930\u094b\u0927 \u0915\u0930\u0924\u0940 \u0939\u0948\u0902\u0964 \u091c\u093f\u0938\u0915\u0947 \u092b\u0932\u0938\u094d\u0935\u0930\u0942\u092a \u092a\u0924\u094d\u0924\u093f\u092f\u093e\u0901 \u091d\u0921\u093c\u0915\u0930 \u0917\u093f\u0930 \u091c\u093e\u0924\u0940 \u0939\u0948\u0902\u0964<\/p>\n

\u092a\u094d\u0930\u0966 4. \u091c\u092c \u0915\u094b\u0908 \u0917\u0924\u093f\u0936\u0940\u0932 \u092c\u0938 \u0905\u091a\u093e\u0928\u0915 \u0930\u0941\u0915\u0924\u0940 \u0939\u0948 \u0924\u094b \u0906\u092a \u0906\u0917\u0947 \u0915\u0940 \u0913\u0930 \u091d\u0941\u0915 \u091c\u093e\u0924\u0947 \u0939\u0948\u0902 \u0914\u0930 \u091c\u092c \u0935\u093f\u0930\u093e\u092e\u093e\u0935\u0938\u094d\u0925\u093e \u0938\u0947 \u0917\u0924\u093f\u0936\u0940\u0932 \u0939\u094b\u0924\u0940 \u0939\u0948 \u0924\u094b \u092a\u0940\u091b\u0947 \u0915\u0940 \u0913\u0930 \u0939\u094b \u091c\u093e\u0924\u0947 \u0939\u0948\u0902? \u0915\u094d\u092f\u094b\u0902?<\/strong>
\n\u0909\u0924\u094d\u0924\u0930-<\/strong>
\n(a) \u092a\u094d\u0930\u0925\u092e \u0938\u094d\u0925\u093f\u0924\u093f \u092e\u0947\u0902 –<\/strong> \u091c\u092c \u0917\u0924\u093f\u0936\u0940\u0932 \u092c\u0938 \u0905\u091a\u093e\u0928\u0915 \u0930\u0941\u0915\u0924\u0940 \u0939\u0948, \u0907\u0938 \u0938\u094d\u0925\u093f\u0924\u093f \u092e\u0947\u0902 \u0939\u092e\u093e\u0930\u093e \u0936\u0930\u0940\u0930 \u092d\u0940 \u0917\u0924\u093f\u0936\u0940\u0932 \u0939\u094b\u0924\u093e \u0939\u0948\u0964 \u0939\u092e\u093e\u0930\u0947 \u0936\u0930\u0940\u0930 \u0915\u093e \u0928\u093f\u091a\u0932\u093e \u0939\u093f\u0938\u094d\u0938\u093e \u091c\u094b \u092c\u0938 \u0915\u0947 \u0938\u093e\u0925-\u0938\u093e\u0925 \u0917\u0924\u093f\u0936\u0940\u0932 \u0939\u0948, \u0924\u0941\u0930\u0902\u0924 \u0930\u0941\u0915 \u091c\u093e\u0924\u093e \u0939\u0948\u0964 \u092a\u0930\u0902\u0924\u0941 \u090a\u092a\u0930\u0940 \u0939\u093f\u0938\u094d\u0938\u093e \u0917\u0924\u093f \u0915\u0947 \u091c\u0921\u093c\u0924\u094d\u0935 \u0915\u0947 \u0915\u093e\u0930\u0923 \u0905\u092d\u0940 \u092d\u0940 \u0917\u0924\u093f\u0936\u0940\u0932 \u0939\u0940 \u0930\u0939\u0928\u093e \u091a\u093e\u0939\u0924\u093e \u0939\u0948\u0964 \u0905\u0924\u0903 \u092c\u0938 \u092e\u0947\u0902 \u0938\u0935\u093e\u0930 \u0935\u094d\u092f\u0915\u094d\u0924\u093f \u0906\u0917\u0947 \u0915\u0940 \u0913\u0930 \u091d\u0941\u0915 \u091c\u093e\u0924\u093e \u0939\u0948\u0964<\/p>\n

(b) \u0926\u0942\u0938\u0930\u0940 \u0938\u094d\u0925\u093f\u0924\u093f \u092e\u0947\u0902 –<\/strong> \u091c\u092c \u0939\u092e \u0920\u0939\u0930\u0940 \u0939\u0941\u0908 \u092c\u0938 \u092e\u0947\u0902 \u092c\u0948\u0920\u0947 \u0939\u094b\u0902 \u0914\u0930 \u0905\u091a\u093e\u0928\u0915 \u092c\u0938 \u091a\u0932 \u092a\u0921\u093c\u0947 \u0924\u094b \u0939\u092e\u093e\u0930\u0947 \u0936\u0930\u0940\u0930 \u0915\u093e \u0928\u093f\u091a\u0932\u093e \u092d\u093e\u0917 \u092c\u0938 \u0915\u0940 \u0938\u0924\u0939 (Floor) \u0915\u0947 \u0938\u0902\u092a\u0930\u094d\u0915 \u092e\u0947\u0902 \u0939\u094b\u0928\u0947 \u0915\u0947 \u0915\u093e\u0930\u0923 \u0924\u0941\u0930\u0902\u0924 \u0917\u0924\u093f\u0936\u0940\u0932 \u0939\u094b \u091c\u093e\u0924\u093e \u0939\u0948, \u092a\u0930\u0902\u0924\u0941 \u0936\u0930\u0940\u0930 \u0915\u093e \u090a\u092a\u0930\u0940 \u092d\u093e\u0917 \u0935\u093f\u0930\u093e\u092e- \u091c\u0921\u093c\u0924\u094d\u0935 (Inertia of Rest) \u0915\u0947 \u0915\u093e\u0930\u0923 \u0935\u093f\u0930\u093e\u092e\u093e\u0935\u0938\u094d\u0925\u093e \u092e\u0947\u0902 \u0939\u0940 \u0930\u0939\u0928\u0947 \u0915\u0940 \u091a\u0947\u0937\u094d\u091f\u093e \u0915\u0930\u0924\u093e \u0939\u0948 \u091c\u093f\u0938\u0915\u0947 \u092a\u0930\u093f\u0923\u093e\u092e\u0938\u094d\u0935\u0930\u0942\u092a \u0939\u092e \u092a\u0940\u091b\u0947 \u0915\u0940 \u0913\u0930 \u0939\u094b \u091c\u093e\u0924\u0947 \u0939\u0948\u0902\u0964<\/p>\n

NCERT \u092a\u093e\u0920\u094d\u092f\u092a\u0941\u0938\u094d\u0924\u0915 ( \u092a\u0943\u0937\u094d\u0920 \u0938\u0902\u0916\u094d\u092f\u093e 140 )<\/strong><\/p>\n

\u092a\u094d\u0930\u0966 1. \u092f\u0926\u093f \u0915\u094d\u0930\u093f\u092f\u093e \u0938\u0926\u0948\u0935 \u092a\u094d\u0930\u0924\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0915\u0947 \u092c\u0930\u093e\u092c\u0930 \u0939\u0948 \u0924\u094b \u0938\u094d\u092a\u0937\u094d\u091f \u0915\u0940\u091c\u093f\u090f \u0915\u093f \u0918\u094b\u0921\u093c\u093e \u0917\u093e\u0921\u093c\u0940 \u0915\u094b \u0915\u0948\u0938\u0947 \u0916\u0940\u0902\u091a \u092a\u093e\u0924\u093e \u0939\u0948?<\/strong>
\n\u0909\u0924\u094d\u0924\u0930-<\/strong> \u0928\u094d\u092f\u0942\u091f\u0928 \u0915\u0947 \u0917\u0924\u093f \u0915\u0947 \u0924\u0940\u0938\u0930\u0947 \u0928\u093f\u092f\u092e\u093e\u0928\u0941\u0938\u093e\u0930 \u0915\u094d\u0930\u093f\u092f\u093e \u0924\u0925\u093e \u092a\u094d\u0930\u0924\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u092c\u0930\u093e\u092c\u0930 \u0924\u0925\u093e \u0935\u093f\u092a\u0930\u0940\u0924 \u0926\u093f\u0936\u093e \u092e\u0947\u0902 \u0932\u0917\u0924\u0947 \u0939\u0948\u0902, \u092a\u0930\u0902\u0924\u0941 \u0926\u094b \u092d\u093f\u0928\u094d\u0928 \u0935\u0938\u094d\u0924\u0941\u0913\u0902 \u092a\u0930\u0964 \u092f\u0939\u093e\u0901 \u0918\u094b\u0921\u093c\u093e \u0906\u0917\u0947 \u0915\u0940 \u0939\u0948 \u0913\u0930 \u091d\u0941\u0915\u0915\u0930 \u0915\u093f\u0938\u0940 \u0915\u094b\u0923 \u092a\u0930 \u0905\u092a\u0928\u0947 \u092a\u093e\u0901\u0935\u094b\u0902 \u0938\u0947 \u091c\u092e\u0940\u0928 \u0915\u094b \u0926\u092c\u093e\u0924\u093e \u0939\u0948 \u0924\u0925\u093e \u091c\u092e\u0940\u0928 \u0918\u094b\u0921\u093c\u0947 \u0915\u094d\u0937\u0948\u0924\u093f\u091c \u0918\u091f\u0915 \u092a\u0930 \u092a\u094d\u0930\u0924\u093f\u0915\u094d\u0930\u093f\u092f\u093e\u0924\u094d\u092e\u0915 \u092c\u0932 \u0932\u0917\u093e\u0924\u093e \u0939\u0948 \u091c\u094b \u0926\u094b\u0964 \u092d\u093e\u0917\u094b\u0902 \u092e\u0947\u0902 \u092c\u0901\u091f \u091c\u093e\u0924\u093e \u0939\u0948\u0964 \u092c\u0932 \u0915\u093e \u090a\u0930\u094d\u0927\u094d\u0935\u093e\u0927\u0930 \u0918\u091f\u0915 \u0918\u094b\u0921\u093c\u0947 \u0915\u094b \u0938\u0902\u0924\u0941\u0932\u0928 \u0926\u0947\u0924\u093e \u0939\u0948 \u091c\u092c\u0915\u093f \u0915\u094d\u0937\u0948\u0924\u093f\u091c \u0918\u091f\u0915 \u0917\u093e\u0921\u093c\u0940 \u0915\u094b \u0906\u0917\u0947 \u0915\u0940 \u0913\u0930 \u0917\u0924\u093f \u0926\u0947\u0924\u093e \u0939\u0948\u0964 \u092f\u0926\u093f \u0918\u0930\u094d\u0937\u0923 \u092c\u0932 (\u092a\u0939\u093f\u090f \u0914\u0930 \u0938\u0921\u093c\u0915 \u0915\u0947 \u092c\u0940\u091a) \u0915\u093e \u092e\u093e\u0928 \u0915\u094d\u0937\u0948\u0924\u093f\u091c \u0918\u091f\u0915 \u0938\u0947 \u0915\u092e \u0939\u094b\u0924\u093e \u0939\u0948 \u0924\u094b \u0917\u093e\u0921\u093c\u0940 \u0906\u0917\u0947 \u092c\u0922\u093c \u091c\u093e\u0924\u0940 \u0939\u0948\u0964
\n\"NCERT<\/p>\n

\u092a\u094d\u0930\u0966 2. \u090f\u0915 \u0905\u0917\u094d\u0928\u093f\u0936\u092e\u0928 \u0915\u0930\u094d\u092e\u091a\u093e\u0930\u0940 \u0915\u094b \u0924\u0940\u0935\u094d\u0930 \u0917\u0924\u093f \u0938\u0947 \u092c\u0939\u0941\u0924\u093e\u092f\u0924 \u092e\u093e\u0924\u094d\u0930\u093e \u092e\u0947\u0902 \u092a\u093e\u0928\u0940 \u092b\u0947\u0902\u0915\u0928\u0947 \u0935\u093e\u0932\u0940 \u0930\u092c\u0921\u093c \u0915\u0940 \u0928\u0932\u0940 \u0915\u094b \u092a\u0915\u0921\u093c\u0928\u0947 \u092e\u0947\u0902 \u0915\u0920\u093f\u0928\u093e\u0908 \u0915\u094d\u092f\u094b\u0902 \u0939\u094b\u0924\u0940 \u0939\u0948? \u0938\u094d\u092a\u0937\u094d\u091f \u0915\u0930\u0947\u0902\u0964<\/strong>
\n\u0909\u0924\u094d\u0924\u0930-<\/strong> \u0915\u094d\u0930\u093f\u092f\u093e \u0924\u0925\u093e \u092a\u094d\u0930\u0924\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0938\u0926\u0948\u0935 \u0938\u092e\u093e\u0928 \u0914\u0930 \u0935\u093f\u092a\u0930\u0940\u0924 \u0926\u093f\u0936\u093e \u092e\u0947\u0902 \u0939\u094b\u0924\u0940 \u0939\u0948\u0964 \u092a\u093e\u0928\u0940 \u0915\u0940 \u0927\u093e\u0930\u093e \u0924\u0940\u0935\u094d\u0930 \u0935\u0947\u0917 \u0938\u0947 \u0906\u0917\u0947 \u0928\u093f\u0915\u0932\u0924\u0940 \u0939\u0948 \u0924\u0925\u093e \u092a\u0940\u091b\u0947 \u0915\u0940 \u0913\u0930 \u092a\u094d\u0930\u0924\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u092c\u0932 \u092a\u093e\u0907\u092a (\u0928\u0932\u0940) \u092a\u0930 \u0932\u0917\u093e\u0924\u093e \u0939\u0948 \u091c\u093f\u0938\u0915\u0947 \u0915\u093e\u0930\u0923 \u0928\u0932\u0940 \u092a\u0940\u091b\u0947 \u0916\u093f\u0938\u0915\u0928\u0947 \u0932\u0917\u0924\u0940 \u0939\u0948 \u0914\u0930 \u092b\u093f\u0938\u0932\u0924\u0940 \u0939\u0948\u0964 \u092f\u0939\u0940 \u0915\u093e\u0930\u0923 \u0939\u0948 \u0915\u093f \u0905\u0917\u094d\u0928\u093f\u0936\u092e\u0928 \u0915\u0930\u094d\u092e\u091a\u093e\u0930\u0940 \u0915\u094b \u0928\u0932\u0940 \u092a\u0915\u0921\u093c\u0928\u0947 \u092e\u0947\u0902 \u0915\u0920\u093f\u0928\u093e\u0908 \u0939\u094b\u0924\u0940 \u0939\u0948\u0964<\/p>\n

\u092a\u094d\u0930\u0966 3. \u090f\u0915 50 g \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 \u0915\u0940 \u0917\u094b\u0932\u0940 4 kg \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 \u0915\u0940 \u0930\u093e\u092f\u092b\u0932 \u0938\u0947 35 ms-1 \u0915\u0947 \u092a\u094d\u0930\u093e\u0930\u0902\u092d\u093f\u0915 \u0935\u0947\u0917 \u0938\u0947 \u091b\u094b\u0921\u093c\u0940 \u091c\u093e\u0924\u0940 \u0939\u0948\u0964 \u0930\u093e\u092f\u092b\u0932 \u0915\u0947 \u092a\u094d\u0930\u093e\u0930\u0902\u092d\u093f\u0915 \u092a\u094d\u0930\u0924\u093f\u0915\u094d\u0937\u0947\u092a\u093f\u0924 \u0935\u0947\u0917 \u0915\u0940 \u0917\u0923\u0928\u093e \u0915\u0940\u091c\u093f\u090f\u0964<\/strong>
\n\u0909\u0924\u094d\u0924\u0930-<\/strong> \u0930\u093e\u0907\u092b\u0932 \u0915\u093e \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 (M) = 4 kg
\n50 \u0917\u094b\u0932\u0940 \u0915\u093e \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 (m) = 50 g = \\(\\frac { 50 }{ 1000 }\\) kg
\n\u0917\u094b\u0932\u0940 \u0915\u093e \u0935\u0947\u0917 (v) = 35 ms-1<\/sup>
\n\u0930\u093e\u0907\u092b\u0932 \u0915\u093e \u092a\u094d\u0930\u0924\u093f\u0915\u094d\u0937\u0947\u092a\u093f\u0924 (Recoil) \u0935\u0947\u0917 (V) = ?
\n\u0938\u0902\u0935\u0947\u0917 \u0938\u0902\u0930\u0915\u094d\u0937\u0923 \u0915\u0947 \u0928\u093f\u092f\u092e \u0926\u094d\u0935\u093e\u0930\u093e
\n\u0930\u093e\u0907\u092b\u0932 \u0915\u093e \u0938\u0902\u0935\u0947\u0917 = \u0917\u094b\u0932\u0940 \u0915\u093e \u0938\u0902\u0935\u0947\u0917 = MV = mv
\n\u21d2 (4 kg) (V) = [\\(\\frac { 50 }{ 1000 }\\) kg] (35 m\/s)
\n\u21d2 V = \\(\\frac { 50 x 35 }{ 1000 x 4 }\\) m\/s = 0.4375 ms-1<\/sup>
\n\u0905\u0924\u0903 \u0930\u093e\u0907\u092b\u0932 \u0915\u093e \u092a\u094d\u0930\u0924\u093f\u0915\u094d\u0937\u0947\u092a\u093f\u0924 \u0935\u0947\u0917 = 0.4375 ms-1<\/sup><\/p>\n

\u092a\u094d\u0930\u0966 4. 100 g \u0914\u0930 200 g \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 \u0915\u0940 \u0926\u094b \u0935\u0938\u094d\u0924\u0941\u090f\u0901 \u090f\u0915 \u0939\u0940 \u0930\u0947\u0916\u093e \u0915\u0947 \u0905\u0928\u0941\u0926\u093f\u0936 \u090f\u0915 \u0939\u0940 \u0926\u093f\u0936\u093e \u092e\u0947\u0902 \u0915\u094d\u0930\u092e\u0936\u0903 2 ms-1<\/sup> \u0914\u0930 1 ms-1<\/sup> \u0915\u0947 \u0935\u0947\u0917 \u0938\u0947 \u0917\u0924\u093f \u0915\u0930 \u0930\u0939\u0940 \u0939\u0948\u0902\u0964 \u0926\u094b\u0928\u094b\u0902 \u0935\u0938\u094d\u0924\u0941\u090f\u0901 \u091f\u0915\u0930\u093e \u091c\u093e\u0924\u0940 \u0939\u0948\u0902\u0964 \u091f\u0915\u094d\u0915\u0930 \u0915\u0947 \u092a\u0936\u094d\u091a\u093e\u0924\u094d \u092a\u094d\u0930\u0925\u092e \u0935\u0938\u094d\u0924\u0941 \u0915\u093e \u0935\u0947\u0917 1.67ms-1<\/sup> \u0939\u094b \u091c\u093e\u0924\u093e \u0939\u0948, \u0924\u094b \u0926\u0942\u0938\u0930\u0940 \u0935\u0938\u094d\u0924\u0941 \u0915\u093e \u0935\u0947\u0917 \u091c\u094d\u091e\u093e\u0924 \u0915\u0930\u0947\u0902\u0964<\/strong>
\n\"NCERT<\/p>\n

\u092a\u093e\u0920\u094d\u092f\u092a\u0941\u0938\u094d\u0924\u0915 \u0938\u0947 \u0939\u0932 \u092a\u094d\u0930\u0936\u094d\u0928 (NCERT TEXTBOOK QUESTIONS SOLVED)<\/strong><\/span><\/p>\n

\u092a\u094d\u0930\u0966 1. \u0915\u094b\u0908 \u0935\u0938\u094d\u0924\u0941 \u0936\u0942\u0928\u094d\u092f \u092c\u093e\u0939\u094d\u092f \u0905\u0938\u0902\u0924\u0941\u0932\u093f\u0924 \u092c\u0932 \u0905\u0928\u0941\u092d\u0935 \u0915\u0930\u0924\u0940 \u0939\u0948\u0964 \u0915\u094d\u092f\u093e \u0915\u093f\u0938\u0940 \u092d\u0940 \u0935\u0938\u094d\u0924\u0941 \u0915\u0947 \u0932\u093f\u090f \u0905\u0936\u0942\u0928\u094d\u092f \u0935\u0947\u0917 (non-zero velocity) \u0938\u0947 \u0917\u0924\u093f \u0915\u0930\u0928\u093e \u0938\u0902\u092d\u0935 \u0939\u0948? \u092f\u0926\u093f \u0939\u093e\u0901, \u0924\u094b \u0935\u0938\u094d\u0924\u0941 \u0915\u0947 \u0935\u0947\u0917 \u0915\u0947 \u092a\u0930\u093f\u092e\u093e\u0923 \u090f\u0935\u0902 \u0926\u093f\u0936\u093e \u092a\u0930 \u0932\u0917\u0928\u0947 \u0935\u093e\u0932\u0940 \u0936\u0930\u094d\u0924\u0947 \u0915\u093e \u0909\u0932\u094d\u0932\u0947\u0916 \u0915\u0930\u0947\u0902\u0964 \u092f\u0926\u093f \u0928\u0939\u0940\u0902, \u0924\u094b \u0915\u093e\u0930\u0923 \u0938\u094d\u092a\u0937\u094d\u091f \u0915\u0930\u0947\u0902\u0964<\/strong>
\n\u0909\u0924\u094d\u0924\u0930-<\/strong> \u0939\u093e\u0901, \u0915\u093f\u0938\u0940 \u0935\u0938\u094d\u0924\u0941 \u0915\u0947 \u0932\u093f\u090f \u0905\u0936\u0942\u0928\u094d\u092f \u0935\u0947\u0917 \u0938\u0947 \u0917\u0924\u093f \u0915\u0930\u0928\u093e \u0938\u0902\u092d\u0935 \u0939\u0948\u0964 \u0910\u0938\u093e \u0928\u093f\u092e\u094d\u0928\u0932\u093f\u0916\u093f\u0924 \u0938\u094d\u0925\u093f\u0924\u093f\u092f\u094b\u0902 (\u0936\u0930\u094d\u0924\u0947) \u092e\u0947\u0902 \u0938\u0902\u092d\u0935 \u0939\u094b \u0938\u0915\u0924\u093e \u0939\u0948
\n(a) \u091c\u092c \u0935\u0938\u094d\u0924\u0941 \u090f\u0915 \u0938\u0940\u0927\u0940 \u0938\u0930\u0932 \u0930\u0947\u0916\u093e \u092e\u0947\u0902 \u090f\u0915\u0938\u092e\u093e\u0928 \u091a\u093e\u0932 \u0938\u0947 \u091a\u0932 \u0930\u0939\u0940 \u0939\u094b\u0964
\n(b) \u091c\u092c \u091a\u093e\u0932 \u0915\u0947 \u092a\u0930\u093f\u092e\u093e\u0923 (Magnitude of Speed) \u092e\u0947\u0902 \u0915\u094b\u0908 \u092a\u0930\u093f\u0935\u0930\u094d\u0924\u0928 \u0928\u0939\u0940\u0902 \u0939\u094b \u0930\u0939\u093e \u0939\u094b\u0964
\n(c) \u091c\u092c \u0917\u0924\u093f \u0915\u0940 \u0926\u093f\u0936\u093e \u092e\u0947\u0902 \u0915\u094b\u0908 \u092a\u0930\u093f\u0935\u0930\u094d\u0924\u0928 \u0928\u0939\u0940\u0902 \u0939\u094b\u0964
\n(d) \u0935\u093e\u092f\u0941 \u0915\u093e \u092a\u094d\u0930\u0924\u093f\u0930\u094b\u0927 (Air Resistance) \u0905\u0935\u0936\u094d\u092f \u0939\u0940 \u0936\u0942\u0928\u094d\u092f \u0939\u094b\u0928\u093e \u091a\u093e\u0939\u093f\u090f\u0964
\n(e) \u091c\u092c \u0935\u0938\u094d\u0924\u0941 \u0915\u0940 \u0938\u0924\u0939 \u0924\u0925\u093e \u091c\u092e\u0940\u0928 \u0915\u0947 \u092c\u0940\u091a \u0918\u0930\u094d\u0937\u0923 \u092c\u0932 \u0915\u093e \u092e\u093e\u0928 \u0936\u0942\u0928\u094d\u092f \u0939\u094b\u0964<\/p>\n

\u092a\u094d\u0930\u0966 2. \u091c\u092c \u0915\u093f\u0938\u0940 \u091b\u0921\u093c\u0940 \u0938\u0947 \u090f\u0915 \u0926\u0930\u0940 (\u0915\u093e\u0930\u094d\u092a\u0947\u091f) \u0915\u094b \u092a\u0940\u091f\u093e \u091c\u093e\u0924\u093e \u0939\u0948, \u0924\u094b \u0927\u0942\u0932 \u0915\u0947 \u0915\u0923 \u092c\u093e\u0939\u0930 \u0906 \u091c\u093e\u0924\u0947 \u0939\u0948\u0902\u0964 \u0938\u094d\u092a\u0937\u094d\u091f \u0915\u0930\u0947\u0902\u0964<\/strong>
\n\u0909\u0924\u094d\u0924\u0930-<\/strong> \u092a\u094d\u0930\u093e\u0930\u0902\u092d \u092e\u0947\u0902 \u0926\u0930\u0940 \u0924\u0925\u093e \u0927\u0942\u0932 \u0915\u0947 \u0915\u0923 \u0935\u093f\u0930\u093e\u092e\u093e\u0935\u0938\u094d\u0925\u093e \u092e\u0947\u0902 \u0939\u094b\u0924\u0947 \u0939\u0948\u0902\u0964 \u091c\u092c \u0907\u0928\u094d\u0939\u0947\u0902 \u0915\u093f\u0938\u0940 \u091b\u0921\u093c\u0940 \u0938\u0947 \u092a\u0940\u091f\u093e \u091c\u093e\u0924\u093e \u0939\u0948 \u0924\u094b \u0926\u0930\u0940 \u092e\u0947\u0902 \u0915\u0902\u092a\u0928 \u0917\u0924\u093f \u0939\u094b\u0928\u0947 \u0932\u0917\u0924\u0940 \u0939\u0948, \u092a\u0930\u0902\u0924\u0941 \u0927\u0942\u0932\u0915\u0923 \u0935\u093f\u0930\u093e\u092e \u092e\u0947\u0902 \u0939\u0940 \u0930\u0939\u0928\u093e \u091a\u093e\u0939\u0924\u0947 \u0939\u0948\u0902\u0964 \u0905\u0924\u0903 \u0935\u093f\u0930\u093e\u092e-\u091c\u0921\u093c\u0924\u094d\u0935 \u0915\u0947 \u0915\u093e\u0930\u0923 \u0927\u0942\u0932\u0915\u0923 \u0905\u092a\u0928\u0940 \u0905\u0935\u0938\u094d\u0925\u093e \u0915\u094b \u092c\u0928\u093e\u090f \u0930\u0916\u0928\u093e \u091a\u093e\u0939\u0924\u0947 \u0939\u0948\u0902 \u091c\u092c\u0915\u093f \u0926\u0930\u0940 (\u0915\u093e\u0930\u094d\u092a\u0947\u091f) \u092e\u0947\u0902 \u0917\u0924\u093f \u0939\u094b\u0924\u0940 \u0939\u0948 \u091c\u093f\u0938\u0915\u0947 \u092a\u0930\u093f\u0923\u093e\u092e\u0938\u094d\u0935\u0930\u0942\u092a \u0927\u0942\u0932\u0915\u0923 \u092c\u093e\u0939\u0930 \u0928\u093f\u0915\u0932 \u091c\u093e\u0924\u0947 \u0939\u0948\u0902\u0964<\/p>\n

\u092a\u094d\u0930\u0966 3. \u092c\u0938 \u0915\u0940 \u091b\u0924 \u092a\u0930 \u0930\u0916\u0947 \u0938\u093e\u092e\u093e\u0928 \u0915\u094b \u0930\u0938\u094d\u0938\u0940 \u0938\u0947 \u0915\u094d\u092f\u094b\u0902 \u092c\u093e\u0901\u0927\u093e \u091c\u093e\u0924\u093e \u0939\u0948?<\/strong>
\n\u0909\u0924\u094d\u0924\u0930-<\/strong> \u092c\u0938 \u0915\u0940 \u091b\u0924 \u092a\u0930 \u0930\u0916\u0947 \u0938\u093e\u092e\u093e\u0928 \u0915\u094b \u0930\u0938\u094d\u0938\u0940 \u0938\u0947 \u0907\u0938\u0932\u093f\u090f \u092c\u093e\u0901\u0927\u093e \u091c\u093e\u0924\u093e \u0939\u0948 \u0924\u093e\u0915\u093f \u0905\u091a\u093e\u0928\u0915 \u092c\u094d\u0930\u0947\u0915 \u0932\u0917\u0928\u0947 \u092a\u0930 \u0924\u0925\u093e \u092c\u0938 \u0915\u0947 \u0905\u091a\u093e\u0928\u0915 \u0916\u0941\u0932\u0928\u0947 \u0915\u0940 \u0938\u094d\u0925\u093f\u0924\u093f \u092e\u0947\u0902 \u0938\u093e\u092e\u093e\u0928 \u092a\u0940\u091b\u0947 \u0915\u0940 \u0913\u0930 \u0928\u0940\u091a\u0947 \u0924\u0925\u093e \u0906\u0917\u0947 \u0915\u0940 \u0913\u0930 \u0928\u0940\u091a\u0947 \u0928 \u0917\u093f\u0930 \u091c\u093e\u090f\u0964 \u092c\u0938 \u0915\u0947 \u092e\u0941\u0921\u093c\u0928\u0947 \u0915\u0940 \u0938\u094d\u0925\u093f\u0924\u093f \u092e\u0947\u0902 \u092d\u0940 \u0938\u093e\u092e\u093e\u0928 \u0915\u093f\u0928\u093e\u0930\u0947 \u0938\u0947 \u0917\u093f\u0930 \u0938\u0915\u0924\u093e \u0939\u0948\u0964 \u0910\u0938\u093e \u0907\u0938\u0932\u093f\u090f \u0939\u094b\u0924\u093e \u0939\u0948 \u0915\u094d\u092f\u094b\u0902\u0915\u093f \u092c\u0938 \u0915\u0940 \u0917\u0924\u093f \u092e\u0947\u0902 \u092a\u0930\u093f\u0935\u0930\u094d\u0924\u0928 \u0939\u094b\u0928\u0947 \u0915\u0940 \u0938\u094d\u0925\u093f\u0924\u093f \u092e\u0947\u0902 \u0938\u093e\u092e\u093e\u0928 \u091c\u0921\u093c\u0924\u094d\u0935 \u0915\u0947 \u0915\u093e\u0930\u0923 \u0905\u0935\u0938\u094d\u0925\u093e \u092a\u0930\u093f\u0935\u0930\u094d\u0924\u0928 \u0915\u093e \u0935\u093f\u0930\u094b\u0927 \u0915\u0930\u0924\u093e \u0939\u0948; \u091c\u0948\u0938\u0947-\u092c\u094d\u0930\u0947\u0915 \u0932\u0917\u0928\u0947 \u092a\u0930 \u092c\u0938 \u0930\u0941\u0915\u0924\u0940 \u0939\u0948 \u092a\u0930\u0902\u0924\u0941 \u0938\u093e\u092e\u093e\u0928 \u0917\u0924\u093f \u092e\u0947\u0902 \u0939\u0940 \u0930\u0939\u0928\u093e \u091a\u093e\u0939\u0924\u093e \u0939\u0948 \u091c\u093f\u0938\u0938\u0947 \u0906\u0917\u0947 \u0916\u093f\u0938\u0915\u0915\u0930 \u0917\u093f\u0930 \u0938\u0915\u0924\u093e \u0939\u0948\u0964 \u0907\u0938\u0940 \u092a\u094d\u0930\u0915\u093e\u0930 \u092c\u0938 \u0915\u0947 \u0905\u091a\u093e\u0928\u0915 \u0916\u0941\u0932\u0928\u0947 \u092a\u0930 \u092c\u0938 \u0917\u0924\u093f \u092e\u0947\u0902 \u0906 \u091c\u093e\u0924\u0940 \u0939\u0948, \u092a\u0930\u0902\u0924\u0941 \u0938\u093e\u092e\u093e\u0928 \u0935\u093f\u0930\u093e\u092e-\u091c\u0921\u093c\u0924\u094d\u0935 \u092e\u0947\u0902 \u0939\u0940 \u0930\u0939\u0928\u093e \u091a\u093e\u0939\u0924\u093e \u0939\u0948 \u0914\u0930 \u092a\u0940\u091b\u0947 \u0916\u093f\u0938\u0915\u0915\u0930 \u0917\u093f\u0930 \u0938\u0915\u0924\u093e \u0939\u0948\u0964<\/p>\n

\u092a\u094d\u0930\u0966 4. \u0915\u093f\u0938\u0940 \u092c\u0932\u094d\u0932\u0947\u092c\u093e\u091c \u0926\u094d\u0935\u093e\u0930\u093e \u0915\u094d\u0930\u093f\u0915\u0947\u091f \u0915\u0940 \u0917\u0947\u0902\u0926 \u0915\u094b \u092e\u093e\u0930\u0928\u0947 \u092a\u0930 \u0917\u0947\u0902\u0926 \u091c\u092e\u0940\u0928 \u092a\u0930 \u0932\u0941\u0922\u093c\u0915\u0924\u0940 \u0939\u0948\u0964 \u0915\u0941\u091b \u0926\u0942\u0930\u0940 \u091a\u0932\u0928\u0947 \u0915\u0947 \u092a\u0936\u094d\u091a\u093e\u0924\u094d \u0917\u0947\u0902\u0926 \u0930\u0941\u0915 \u091c\u093e\u0924\u0940 \u0939\u0948\u0964 \u0917\u0947\u0902\u0926 \u0930\u0941\u0915\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0927\u0940\u092e\u0940 \u0939\u094b\u0924\u0940 \u0939\u0948, \u0915\u094d\u092f\u094b\u0902\u0915\u093f<\/strong>
\n(a) \u092c\u0932\u094d\u0932\u0947\u092c\u093e\u091c \u0928\u0947 \u0917\u0947\u0902\u0926 \u0915\u094b \u092a\u0930\u094d\u092f\u093e\u092a\u094d\u0924 \u092a\u094d\u0930\u092f\u093e\u0938 \u0938\u0947 \u0939\u093f\u091f \u0928\u0939\u0940\u0902 \u0915\u093f\u092f\u093e \u0939\u0948\u0964<\/strong>
\n(b) \u0935\u0947\u0917 \u0917\u0947\u0902\u0926 \u092a\u0930 \u0932\u0917\u093e\u090f \u0917\u090f \u092c\u0932 \u0915\u0947 \u0938\u092e\u093e\u0928\u0941\u092a\u093e\u0924\u0940 \u0939\u0948\u0964<\/strong>
\n(c) \u0917\u0947\u0902\u0926 \u092a\u0930 \u0917\u0924\u093f \u0915\u0940 \u0926\u093f\u0936\u093e \u0915\u0947 \u0935\u093f\u092a\u0930\u0940\u0924 \u090f\u0915 \u092c\u0932 \u0915\u093e\u0930\u094d\u092f \u0915\u0930 \u0930\u0939\u093e \u0939\u0948\u0964<\/strong>
\n(d) \u0917\u0947\u0902\u0926 \u092a\u0930 \u0915\u094b\u0908 \u0905\u0938\u0902\u0924\u0941\u0932\u093f\u0924 \u092c\u0932 \u0915\u093e\u0930\u094d\u092f\u0930\u0924 \u0928\u0939\u0940\u0902 \u0939\u0948,<\/strong>
\n\u0905\u0924\u0903 \u0917\u0947\u0902\u0926 \u0935\u093f\u0930\u093e\u092e\u093e\u0935\u0938\u094d\u0925\u093e \u092e\u0947\u0902 \u0906\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u092a\u094d\u0930\u092f\u093e\u0938\u0930\u0924 \u0939\u0948\u0964<\/strong>
\n(\u0938\u0939\u0940 \u0935\u093f\u0915\u0932\u094d\u092a \u0915\u093e \u091a\u092f\u0928 \u0915\u0930\u0947\u0902\u0964)<\/strong>
\n\u0909\u0924\u094d\u0924\u0930-<\/strong> (c) \u0917\u0947\u0902\u0926 \u092a\u0930 \u0917\u0924\u093f \u0915\u0940 \u0926\u093f\u0936\u093e \u0915\u0947 \u0935\u093f\u092a\u0930\u0940\u0924 \u090f\u0915 \u092c\u0932 \u0915\u093e\u0930\u094d\u092f \u0915\u0930 \u0930\u0939\u093e \u0939\u0948\u0964<\/p>\n

\u092a\u094d\u0930\u0966 5. \u090f\u0915 \u091f\u094d\u0930\u0915 \u0935\u093f\u0930\u093e\u092e\u093e\u0935\u0938\u094d\u0925\u093e \u0938\u0947 \u0915\u093f\u0938\u0940 \u092a\u0939\u093e\u0921\u093c\u0940 \u0938\u0947 \u0928\u0940\u091a\u0947 \u0915\u0940 \u0913\u0930 \u0928\u093f\u092f\u0924 \u0924\u094d\u0935\u0930\u0923 \u0938\u0947 \u0932\u0941\u0922\u093c\u0915\u0928\u093e \u0936\u0941\u0930\u0942 \u0915\u0930\u0924\u093e \u0939\u0948\u0964 \u092f\u0939 20 s \u092e\u0947\u0902 400 m \u0915\u0940 \u0926\u0942\u0930\u0940 \u0924\u092f \u0915\u0930\u0924\u093e \u0939\u0948\u0964 \u0907\u0938\u0915\u093e \u0924\u094d\u0935\u0930\u0923 \u091c\u094d\u091e\u093e\u0924 \u0915\u0930\u0947\u0902\u0964 \u0905\u0917\u0930 \u0907\u0938\u0915\u093e \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 7 \u091f\u0928 \u0939\u0948 \u0924\u094b \u0907\u0938 \u092a\u0930 \u0932\u0917\u0928\u0947 \u0935\u093e\u0932\u0947 \u092c\u0932 \u0915\u0940 \u0917\u0923\u0928\u093e \u0915\u0930\u0947\u0902\u0964 (1 \u091f\u0928 = 1000 kg)<\/strong>
\n\"NCERT<\/p>\n

\u092a\u094d\u0930\u0966 6. 1 kg \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 \u0915\u0947 \u090f\u0915 \u092a\u0924\u094d\u0925\u0930 \u0915\u094b 20 ms-1<\/sup> \u0915\u0947 \u0935\u0947\u0917 \u0938\u0947 \u091d\u0940\u0932 \u0915\u0940 \u091c\u092e\u0940 \u0939\u0941\u0908 \u0938\u0924\u0939 \u092a\u0930 \u092b\u0947\u0902\u0915\u093e \u091c\u093e\u0924\u093e \u0939\u0948\u0964 \u092a\u0924\u094d\u0925\u0930 50 m \u0915\u0940 \u0926\u0942\u0930\u0940 \u0924\u092f \u0915\u0930\u0928\u0947 \u0915\u0947 \u092c\u093e\u0926 \u0930\u0941\u0915 \u091c\u093e\u0924\u093e \u0939\u0948\u0964 \u092a\u0924\u094d\u0925\u0930 \u0914\u0930 \u092c\u0930\u094d\u092b \u0915\u0947 \u092c\u0940\u091a \u0932\u0917\u0928\u0947 \u0935\u093e\u0932\u0947 \u0918\u0930\u094d\u0937\u0923 \u092c\u0932 \u0915\u0940 \u0917\u0923\u0928\u093e \u0915\u0930\u0947\u0902\u0964<\/strong>
\n\"NCERT<\/p>\n

\u092a\u094d\u0930\u0966 7. \u090f\u0915 8000 kg \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 \u0915\u093e \u0930\u0947\u0932 \u0907\u0902\u091c\u0928 \u092a\u094d\u0930\u0924\u093f 2000 kg \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 \u0935\u093e\u0932\u0947 \u092a\u093e\u0901\u091a \u0921\u093f\u092c\u094d\u092c\u094b\u0902 \u0915\u094b \u0938\u0940\u0927\u0940 \u092a\u091f\u0930\u0940 \u092a\u0930 \u0916\u0940\u0902\u091a\u0924\u093e \u0939\u0948\u0964 \u092f\u0926\u093f \u0907\u0902\u091c\u0928 40000 N \u0915\u093e \u092c\u0932 \u0906\u0930\u094b\u092a\u093f\u0924 \u0915\u0930\u0924\u093e \u0939\u0948\u0964 \u0924\u0925\u093e \u092f\u0926\u093f \u092a\u091f\u0930\u0940 5000 N \u0915\u093e \u0918\u0930\u094d\u0937\u0923 \u092c\u0932 \u0932\u0917\u093e\u0924\u0940 \u0939\u0948, \u0924\u094b \u091c\u094d\u091e\u093e\u0924 \u0915\u0930\u0947\u0902<\/strong>
\n(a) \u0928\u0947\u091f \u0924\u094d\u0935\u0930\u0923 \u092c\u0932<\/strong>
\n(b) \u0930\u0947\u0932 \u0915\u093e \u0924\u094d\u0935\u0930\u0923 \u0924\u0925\u093e<\/strong>
\n(c) \u0921\u093f\u092c\u094d\u092c\u0947 1 \u0926\u094d\u0935\u093e\u0930\u093e \u0921\u093f\u092c\u094d\u092c\u0947 2 \u092a\u0930 \u0932\u0917\u093e\u092f\u093e \u0917\u092f\u093e \u092c\u0932\u0964<\/strong>
\n\"NCERT<\/p>\n

\u092a\u094d\u0930\u0966 8. \u090f\u0915 \u0917\u093e\u0921\u093c\u0940 \u0915\u093e \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 1500 kg \u0939\u0948\u0964 \u092f\u0926\u093f \u0917\u093e\u0921\u093c\u0940 \u0915\u094b 1.7 ms-2<\/sup>\u00a0\u0915\u0947 \u090b\u0923\u093e\u0924\u094d\u092e\u0915 \u0924\u094d\u0935\u0930\u0923 (\u0905\u0935\u092e\u0902\u0926\u0928) \u0915\u0947 \u0938\u093e\u0925 \u0935\u093f\u0930\u093e\u092e\u093e\u0935\u0938\u094d\u0925\u093e \u092e\u0947\u0902 \u0932\u093e\u0928\u093e \u0939\u0948, \u0924\u094b \u0917\u093e\u0921\u093c\u0940 \u0924\u0925\u093e \u0938\u0921\u093c\u0915 \u0915\u0947 \u092c\u0940\u091a \u0932\u0917\u0928\u0947 \u0935\u093e\u0932\u093e \u092c\u0932 \u0915\u093f\u0924\u0928\u093e \u0939\u094b\u0917\u093e?<\/strong>
\n\"NCERT<\/p>\n

\u092a\u094d\u0930\u0966 9. \u0915\u093f\u0938\u0940 m \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 \u0915\u0940 \u0935\u0938\u094d\u0924\u0941 \u091c\u093f\u0938\u0915\u093e \u0935\u0947\u0917 \u096d \u0939\u0948, \u0915\u093e \u0938\u0902\u0935\u0947\u0917 \u0915\u094d\u092f\u093e \u0939\u094b\u0917\u093e?<\/strong>
\n(a) (mv)\u00b2<\/strong>
\n(b) mv\u00b2<\/strong>
\n(c) (\\(\\frac { 1 }{ 2 }\\)) mv\u00b2<\/strong>
\n(d) mv<\/strong>
\n(\u0909\u092a\u0930\u094b\u0915\u094d\u0924 \u092e\u0947\u0902 \u0938\u0947 \u0938\u0939\u0940 \u0935\u093f\u0915\u0932\u094d\u092a \u091a\u0941\u0928\u0947\u0902\u0964)<\/strong>
\n\u0909\u0924\u094d\u0924\u0930-<\/strong> (d) mv; \u091a\u0942\u0901\u0915\u093f \u0938\u0902\u0935\u0947\u0917 = \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 x \u0935\u0947\u0917 \u0939\u094b\u0924\u093e \u0939\u0948\u0964<\/p>\n

\u092a\u094d\u0930\u0966 10. \u0939\u092e \u090f\u0915 \u0932\u0915\u0921\u093c\u0940 \u0915\u0947 \u092c\u0915\u094d\u0938\u0947 \u0915\u094b 200 N \u092c\u0932 \u0932\u0917\u093e\u0915\u0930 \u0909\u0938\u0947 \u0928\u093f\u092f\u0924 \u0935\u0947\u0917 \u0938\u0947 \u092b\u093c\u0930\u094d\u0936 \u092a\u0930 \u0927\u0915\u0947\u0932\u0924\u0947 \u0939\u0948\u0902\u0964 \u092c\u0915\u094d\u0938\u0947 \u092a\u0930 \u0932\u0917\u0928\u0947 \u0935\u093e\u0932\u093e \u0918\u0930\u094d\u0937\u0923 \u092c\u0932 \u0915\u094d\u092f\u093e \u0939\u094b\u0917\u093e?<\/strong>
\n\u0909\u0924\u094d\u0924\u0930-<\/strong> \u091a\u0942\u0901\u0915\u093f \u0932\u0915\u0921\u093c\u0940 \u0915\u0947 \u092c\u0915\u094d\u0938\u0947 \u0915\u094b \u0928\u093f\u092f\u0924 \u0935\u0947\u0917 (Constant velocity) \u0938\u0947 \u092b\u093c\u0930\u094d\u0936 \u092a\u0930 \u0927\u0915\u0947\u0932\u093e \u091c\u093e\u0924\u093e \u0939\u0948\u0964
\n\u0905\u0924\u0903 200 N \u0915\u093e \u092c\u0932, \u0918\u0930\u094d\u0937\u0923 \u092c\u0932 \u0915\u094b \u0938\u0902\u0924\u0941\u0932\u093f\u0924 \u0915\u0930\u0928\u0947 \u092e\u0947\u0902 \u0939\u0940 \u0932\u0917 \u091c\u093e\u0924\u093e \u0939\u0948 \u0905\u0930\u094d\u0925\u093e\u0924\u094d \u0907\u0938 \u092c\u0932 \u0915\u093e \u0915\u094b\u0908 \u092d\u0940 \u092d\u093e\u0917 \u0932\u0915\u0921\u093c\u0940 \u0915\u0947 \u092c\u0915\u094d\u0938\u0947 \u092e\u0947\u0902 \u0924\u094d\u0935\u0930\u0923 \u0909\u0924\u094d\u092a\u0928\u094d\u0928 \u0915\u0930\u0928\u0947 \u092e\u0947\u0902 \u0928\u0939\u0940\u0902 \u0932\u0917\u0924\u093e \u0939\u0948\u0964
\n\u0905\u0924\u0903 \u0918\u0930\u094d\u0937\u0923 \u092c\u0932 = \u0906\u0930\u094b\u092a\u093f\u0924 \u092c\u0932 = 200 N<\/p>\n

\u092a\u094d\u0930\u0966 11. \u0926\u094b \u0935\u0938\u094d\u0924\u0941\u090f\u0901, \u092a\u094d\u0930\u0924\u094d\u092f\u0947\u0915 \u0915\u093e \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 1.5 kg \u0939\u0948, \u090f\u0915 \u0939\u0940 \u0938\u0940\u0927\u0940 \u0930\u0947\u0916\u093e \u092e\u0947\u0902 \u090f\u0915-\u0926\u0942\u0938\u0930\u0947 \u0915\u0947 \u0935\u093f\u092a\u0930\u0940\u0924 \u0926\u093f\u0936\u093e \u092e\u0947\u0902 \u0917\u0924\u093f \u0915\u0930 \u0930\u0939\u0940 \u0939\u0948\u0902\u0964 \u091f\u0915\u0930\u093e\u0928\u0947 \u0915\u0947 \u092a\u0939\u0932\u0947 \u092a\u094d\u0930\u0924\u094d\u092f\u0947\u0915 \u0915\u093e \u0935\u0947\u0917 2.5 ms-1<\/sup> \u0939\u0948\u0964 \u091f\u0915\u0930\u093e\u0928\u0947 \u0915\u0947 \u092c\u093e\u0926 \u092f\u0926\u093f \u0926\u094b\u0928\u094b\u0902 \u090f\u0915-\u0926\u0942\u0938\u0930\u0947 \u0938\u0947 \u091c\u0941\u0921\u093c \u091c\u093e\u0924\u0940 \u0939\u0948\u0902, \u0924\u092c \u0909\u0928\u0915\u093e \u0938\u092e\u094d\u092e\u093f\u0932\u093f\u0924 \u0935\u0947\u0917 \u0915\u094d\u092f\u093e \u0939\u094b\u0917\u093e?<\/strong>
\n\u0909\u0924\u094d\u0924\u0930-<\/strong> \u092e\u093e\u0928 \u0932\u0940\u091c\u093f\u090f \u0915\u093f \u092a\u0939\u0932\u0940 \u0935\u0938\u094d\u0924\u0941 \u092c\u093e\u090f\u0901 \u0938\u0947 \u0926\u093e\u090f\u0901 \u091c\u093e\u0924\u0940 \u0939\u0948\u0964
\n\u0924\u0925\u093e \u0926\u0942\u0938\u0930\u0940 \u0935\u0938\u094d\u0924\u0941 \u0926\u093e\u090f\u0901 \u0938\u0947 \u092c\u093e\u090f\u0901\u0964
\n\u092a\u0939\u0932\u0940 \u0935\u0938\u094d\u0924\u0941 \u0915\u0947 \u0932\u093f\u090f
\n\"NCERT<\/p>\n

\u092a\u094d\u0930\u0966 12. \u0917\u0924\u093f \u0915\u0947 \u0924\u0943\u0924\u0940\u092f \u0928\u093f\u092f\u092e \u0915\u0947 \u0905\u0928\u0941\u0938\u093e\u0930 \u091c\u092c \u0939\u092e \u0915\u093f\u0938\u0940 \u0935\u0938\u094d\u0924\u0941 \u0915\u094b \u0927\u0915\u094d\u0915\u093e \u0926\u0947\u0924\u0947 \u0939\u0948\u0902, \u0924\u094b \u0935\u0938\u094d\u0924\u0941 \u0909\u0924\u0928\u0947 \u0939\u0940 \u092c\u0932 \u0915\u0947 \u0938\u093e\u0925 \u0939\u092e\u0947\u0902 \u092d\u0940 \u0935\u093f\u092a\u0930\u0940\u0924 \u0926\u093f\u0936\u093e \u092e\u0947\u0902 \u0927\u0915\u094d\u0915\u093e \u0926\u0947\u0924\u0940 \u0939\u0948\u0964 \u092f\u0926\u093f \u0935\u0939 \u0935\u0938\u094d\u0924\u0941 \u090f\u0915 \u091f\u094d\u0930\u0915 \u0939\u0948 \u091c\u094b \u0938\u0921\u093c\u0915 \u0915\u0947 \u0915\u093f\u0928\u093e\u0930\u0947 \u0916\u0921\u093c\u093e \u0939\u0948; \u0938\u0902\u092d\u0935\u0924\u0903 \u0939\u092e\u093e\u0930\u0947 \u0926\u094d\u0935\u093e\u0930\u093e \u092c\u0932 \u0906\u0930\u094b\u092a\u093f\u0924 \u0915\u0930\u0928\u0947 \u092a\u0930 \u092d\u0940 \u0917\u0924\u093f\u0936\u0940\u0932 \u0928\u0939\u0940\u0902 \u0939\u094b \u092a\u093e\u090f\u0917\u093e\u0964 \u090f\u0915 \u0935\u093f\u0926\u094d\u092f\u093e\u0930\u094d\u0925\u0940 \u0907\u0938\u0947 \u0938\u0939\u0940 \u0938\u093e\u092c\u093f\u0924 \u0915\u0930\u0924\u0947 \u0939\u0941\u090f \u0915\u0939\u0924\u093e \u0939\u0948 \u0915\u093f \u0926\u094b\u0928\u094b\u0902 \u092c\u0932 \u0935\u093f\u092a\u0930\u0940\u0924 \u090f\u0935\u0902 \u092c\u0930\u093e\u092c\u0930 \u0939\u0948\u0902 \u091c\u094b \u090f\u0915-\u0926\u0942\u0938\u0930\u0947 \u0915\u094b \u0928\u093f\u0930\u0938\u094d\u0924 \u0915\u0930 \u0926\u0947\u0924\u0947 \u0939\u0948\u0902\u0964 \u0907\u0938 \u0924\u0930\u094d\u0915 \u092a\u0930 \u0905\u092a\u0928\u0947 \u0935\u093f\u091a\u093e\u0930 \u0926\u0947\u0902 \u0914\u0930 \u092c\u0924\u093e\u090f\u0901 \u0915\u093f \u091f\u094d\u0930\u0915 \u0917\u0924\u093f\u0936\u0940\u0932 \u0915\u094d\u092f\u094b\u0902 \u0928\u0939\u0940\u0902 \u0939\u094b \u092a\u093e\u0924\u093e?<\/strong>
\n\u0909\u0924\u094d\u0924\u0930-<\/strong> \u092a\u094d\u0930\u0936\u094d\u0928\u093e\u0928\u0941\u0938\u093e\u0930 \u090f\u0915 \u0935\u093f\u0926\u094d\u092f\u093e\u0930\u094d\u0925\u0940 \u0926\u094d\u0935\u093e\u0930\u093e \u092f\u0939 \u0938\u093e\u092c\u093f\u0924 \u0915\u093f\u092f\u093e \u0917\u092f\u093e \u0915\u093f \u0926\u094b\u0928\u094b\u0902 \u092c\u0932 \u0935\u093f\u092a\u0930\u0940\u0924 \u090f\u0935\u0902 \u092c\u0930\u093e\u092c\u0930 \u0939\u0948\u0902 \u091c\u094b \u090f\u0915-\u0926\u0942\u0938\u0930\u0947 \u0915\u094b \u0928\u093f\u0930\u0938\u094d\u0924 \u0915\u0930 \u0926\u0947\u0924\u0947 \u0939\u0948\u0902, \u092c\u093f\u0932\u0915\u0941\u0932 \u0917\u0932\u0924 \u0939\u0948 \u0915\u094d\u092f\u094b\u0902\u0915\u093f \u0926\u094b\u0928\u094b\u0902 \u092c\u0932 \u0926\u094b \u092d\u093f\u0928\u094d\u0928 \u0935\u0938\u094d\u0924\u0941\u0913\u0902 \u092a\u0930 \u0906\u0930\u094b\u092a\u093f\u0924 \u0939\u094b\u0924\u0947 \u0939\u0948\u0902 \u0907\u0938\u0932\u093f\u090f \u090f\u0915-\u0926\u0942\u0938\u0930\u0947 \u0915\u094b \u0928\u093f\u0930\u0938\u094d\u0924 (Cancel) \u0915\u0930\u0928\u0947 \u0915\u093e \u092a\u094d\u0930\u0936\u094d\u0928 \u0928\u0939\u0940\u0902 \u0909\u0920\u0924\u093e\u0964 \u0935\u093e\u0938\u094d\u0924\u0935 \u092e\u0947\u0902 \u091f\u094d\u0930\u0915 \u0915\u093e \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 \u0905\u0924\u094d\u092f\u0927\u093f\u0915 \u0939\u094b\u0928\u0947 \u0915\u0947 \u0915\u093e\u0930\u0923 \u0907\u0938\u0915\u093e \u091c\u0921\u093c\u0924\u094d\u0935 \u092c\u0939\u0941\u0924 \u0905\u0927\u093f\u0915 \u0939\u094b\u0924\u093e \u0939\u0948 \u0924\u0925\u093e \u0939\u092e\u093e\u0930\u0947 \u0926\u094d\u0935\u093e\u0930\u093e \u0906\u0930\u094b\u092a\u093f\u0924 \u092c\u0932 \u0915\u093e \u092e\u093e\u0928 \u0915\u092e \u0939\u094b\u0928\u0947 \u0915\u0947 \u0915\u093e\u0930\u0923 \u092f\u0939 \u0938\u0921\u093c\u0915 \u0924\u0925\u093e \u092a\u0939\u093f\u090f \u0915\u0947 \u092c\u0940\u091a \u0918\u0930\u094d\u0937\u0923 \u092c\u0932 \u0915\u094b \u0916\u0924\u094d\u092e \u0915\u0930 \u092a\u093e\u0928\u0947 \u092e\u0947\u0902 \u0905\u0938\u092e\u0930\u094d\u0925 \u0939\u094b\u0924\u093e \u0939\u0948\u0964 \u0905\u0924\u0903 \u091f\u094d\u0930\u0915 \u0915\u094b \u0917\u0924\u093f\u0936\u0940\u0932 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0905\u0924\u094d\u092f\u0927\u093f\u0915 \u0905\u0938\u0902\u0924\u0941\u0932\u093f\u0924 \u092c\u0932 \u0915\u0940 \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e \u0939\u094b\u0924\u0940 \u0939\u0948\u0964<\/p>\n

\u092a\u094d\u0930\u0966 13. 200 g \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 \u0915\u0940 \u090f\u0915 \u0939\u0949\u0915\u0940 \u0915\u0940 \u0917\u0947\u0902\u0926 10 ms-1<\/sup> \u0915\u0940 \u0935\u0947\u0917 \u0938\u0947 \u0938\u0940\u0927\u0940 \u0930\u0947\u0916\u093e \u092e\u0947\u0902 \u091a\u0932\u0924\u0940 \u0939\u0941\u0908 5 kg \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 \u0915\u0947 \u0917\u0941\u091f\u0915\u0947 \u0938\u0947 \u0938\u0902\u0918\u091f\u094d\u091f \u0915\u0930\u0924\u0940 \u0939\u0948 \u0924\u0925\u093e \u0909\u0938\u0938\u0947 \u091c\u0941\u0921\u093c \u091c\u093e\u0924\u0940 \u0939\u0948\u0964 \u0909\u0938\u0915\u0947 \u092c\u093e\u0926 \u0926\u094b\u0928\u094b\u0902 \u090f\u0915 \u0938\u093e\u0925 \u0909\u0938\u0940 \u0930\u0947\u0916\u093e \u092e\u0947\u0902 \u0917\u0924\u093f \u0915\u0930\u0924\u0947 \u0939\u0948\u0902\u0964 \u0938\u0902\u0918\u091f\u094d\u091f \u0915\u0947 \u092a\u0939\u0932\u0947 \u0914\u0930 \u0938\u0902\u0918\u091f\u094d\u091f \u0915\u0947 \u092c\u093e\u0926 \u0915\u0947 \u0915\u0941\u0932 \u0938\u0902\u0935\u0947\u0917\u094b\u0902 \u0915\u0940 \u0917\u0923\u0928\u093e \u0915\u0930\u0947\u0902\u0964 \u0926\u094b\u0928\u094b\u0902 \u0935\u0938\u094d\u0924\u0941\u0913\u0902 \u0915\u0940 \u091c\u0941\u0921\u093c\u0940 \u0939\u0941\u0908 \u0905\u0935\u0938\u094d\u0925\u093e \u092e\u0947\u0902 \u0935\u0947\u0917 \u0915\u0940 \u0917\u0923\u0928\u093e \u0915\u0930\u0947\u0902\u0964<\/strong>
\n\"NCERT<\/p>\n

\u092a\u094d\u0930\u0966 14. 10 g \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 \u0915\u0940 \u090f\u0915 \u0917\u094b\u0932\u0940 \u0938\u0940\u0927\u0940 \u0930\u0947\u0916\u093e \u092e\u0947\u0902 150 ms-1<\/sup> \u0915\u0947 \u0935\u0947\u0917 \u0938\u0947 \u091a\u0932\u0915\u0930 \u090f\u0915 \u0932\u0915\u0921\u093c\u0940 \u0915\u0947 \u0917\u0941\u091f\u0915\u0947 \u0938\u0947 \u091f\u0915\u0930\u093e\u0924\u0940 \u0939\u0948 \u0914\u0930 0.03 s \u0915\u0947 \u092c\u093e\u0926 \u0930\u0941\u0915 \u091c\u093e\u0924\u0940 \u0939\u0948\u0964 \u0917\u094b\u0932\u0940 \u0932\u0915\u0921\u093c\u0940 \u0930\u0941\u0915 \u091c\u093e\u0924\u0940 \u0939\u0948\u0964 \u0917\u094b\u0932\u0940 \u0932\u0915\u0921\u093c\u0940 \u0915\u094b \u0915\u093f\u0924\u0928\u0940 \u0926\u0942\u0930\u0940 \u0924\u0915 \u092d\u0947\u0926\u0947\u0917\u0940? \u0932\u0915\u0921\u093c\u0940 \u0915\u0947 \u0917\u0941\u091f\u0915\u0947 \u0926\u094d\u0935\u093e\u0930\u093e \u0917\u094b\u0932\u0940 \u092a\u0930 \u0932\u0917\u093e\u090f \u0917\u090f \u092c\u0932 \u0915\u0947 \u092a\u0930\u093f\u092e\u093e\u0923 \u0915\u0940 \u0917\u0923\u0928\u093e \u0915\u0930\u0947\u0902\u0964<\/strong>
\n\"NCERT<\/p>\n

\u092a\u094d\u0930\u0966 15. \u090f\u0915 \u0935\u0938\u094d\u0924\u0941 \u091c\u093f\u0938\u0915\u093e \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 1 kg \u0939\u0948, 10 ms-1<\/sup> \u0915\u0947 \u0935\u0947\u0917 \u0938\u0947 \u090f\u0915 \u0938\u0940\u0927\u0940 \u0930\u0947\u0916\u093e \u092e\u0947\u0902 \u091a\u0932\u0924\u0947 \u0939\u0941\u090f \u0935\u093f\u0930\u093e\u092e\u093e\u0935\u0938\u094d\u0925\u093e \u092e\u0947\u0902 \u0930\u0916\u0947 5 kg \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 \u0915\u0947 \u090f\u0915 \u0932\u0915\u0921\u093c\u0940 \u0915\u0947 \u0917\u0941\u091f\u0915\u0947 \u0938\u0947 \u091f\u0915\u0930\u093e\u0924\u0940 \u0939\u0948\u0964 \u0909\u0938\u0915\u0947 \u092c\u093e\u0926 \u0926\u094b\u0928\u094b\u0902 \u0938\u093e\u0925-\u0938\u093e\u0925 \u0909\u0938\u0940 \u0938\u0940\u0927\u0940 \u0930\u0947\u0916\u093e \u092e\u0947\u0902 \u0917\u0924\u093f \u0915\u0930\u0924\u0947 \u0939\u0948\u0902\u0964 \u0938\u0902\u0918\u091f\u094d\u091f \u0915\u0947 \u092a\u0939\u0932\u0947 \u0924\u0925\u093e \u092c\u093e\u0926 \u0915\u0947 \u0915\u0941\u0932 \u0938\u0902\u0935\u0947\u0917\u094b\u0902 \u0915\u0940 \u0917\u0923\u0928\u093e \u0915\u0930\u0947\u0902\u0964 \u0906\u092a\u0938 \u092e\u0947\u0902 \u091c\u0941\u0921\u093c\u0947 \u0939\u0941\u090f \u0938\u0902\u092f\u094b\u091c\u0928 \u0915\u0947 \u0935\u0947\u0917 \u0915\u0940 \u092d\u0940 \u0917\u0923\u0928\u093e \u0915\u0930\u0947\u0902\u0964<\/strong>
\n\"NCERT<\/p>\n

\u092a\u094d\u0930\u0966 16. 100 kg \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 \u0915\u0940 \u090f\u0915 \u0935\u0938\u094d\u0924\u0941 \u0915\u093e \u0935\u0947\u0917 \u0938\u092e\u093e\u0928 \u0924\u094d\u0935\u0930\u0923 \u0938\u0947 \u091a\u0932\u0924\u0947 \u0939\u0941\u090f 6s \u092e\u0947\u0902 5 ms-1<\/sup> \u0938\u0947 8 ms-1<\/sup> \u0939\u094b \u091c\u093e\u0924\u093e \u0939\u0948\u0964 \u0935\u0938\u094d\u0924\u0941 \u0915\u0947 \u092a\u0939\u0932\u0947 \u0914\u0930 \u092c\u093e\u0926 \u0915\u0947 \u0938\u0902\u0935\u0947\u0917\u094b\u0902 \u0915\u0940 \u0917\u0923\u0928\u093e \u0915\u0930\u0947\u0902\u0964 \u0909\u0938 \u092c\u0932\u00a0<\/strong>\u0915\u0947 \u092a\u0930\u093f\u092e\u093e\u0923 \u0915\u0940 \u0917\u0923\u0928\u093e \u0915\u0930\u0947\u0902 \u091c\u094b \u0909\u0938 \u0935\u0938\u094d\u0924\u0941 \u092a\u0930 \u0906\u0930\u094b\u092a\u093f\u0924 \u0939\u0948\u0964<\/strong>
\n\"NCERT<\/p>\n

\u092a\u094d\u0930\u0966 17. \u0905\u0916\u094d\u0924\u0930, \u0915\u093f\u0930\u0923 \u0914\u0930 \u0930\u093e\u0939\u0941\u0932 \u0915\u093f\u0938\u0940 \u0930\u093e\u091c\u092e\u093e\u0930\u094d\u0917 \u092a\u0930 \u092c\u0939\u0941\u0924 \u0924\u0940\u0935\u094d\u0930 \u0917\u0924\u093f \u0938\u0947 \u091a\u0932\u0924\u0940 \u0939\u0941\u0908 \u0915\u093e\u0930 \u092e\u0947\u0902 \u0938\u0935\u093e\u0930 \u0939\u0948\u0902, \u0905\u091a\u093e\u0928\u0915 \u0909\u0921\u093c\u0924\u093e \u0939\u0941\u0906 \u0915\u094b\u0908 \u0915\u0940\u0921\u093c\u093e, \u0917\u093e\u0921\u093c\u0940 \u0915\u0947 \u0938\u093e\u092e\u0928\u0947 \u0915\u0947 \u0936\u0940\u0936\u0947 \u0938\u0947 \u0906 \u091f\u0915\u0930\u093e\u092f\u093e \u0914\u0930 \u0935\u0939 \u0936\u0940\u0936\u0947 \u0938\u0947 \u091a\u093f\u092a\u0915 \u0917\u092f\u093e\u0964 \u0905\u0916\u094d\u0924\u0930 \u0914\u0930 \u0915\u093f\u0930\u0923 \u0907\u0938 \u0938\u094d\u0925\u093f\u0924\u093f \u092a\u0930 \u0935\u093f\u0935\u093e\u0926 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902\u0964 \u0915\u093f\u0930\u0923 \u0915\u093e \u092e\u093e\u0928\u0928\u093e \u0939\u0948 \u0915\u093f \u0915\u0940\u0921\u093c\u0947 \u0915\u0947 \u0938\u0902\u0935\u0947\u0917 \u092a\u0930\u093f\u0935\u0930\u094d\u0924\u0928 \u0915\u093e \u092a\u0930\u093f\u092e\u093e\u0923 \u0915\u093e\u0930 \u0915\u0947 \u0938\u0902\u0935\u0947\u0917 \u092a\u0930\u093f\u0935\u0930\u094d\u0924\u0928 \u0915\u0947 \u092a\u0930\u093f\u092e\u093e\u0923 \u0915\u0940 \u0905\u092a\u0947\u0915\u094d\u0937\u093e \u092c\u0939\u0941\u0924 \u0905\u0927\u093f\u0915 \u0939\u0948\u0964 (\u0915\u094d\u092f\u094b\u0902\u0915\u093f \u0915\u0940\u0921\u093c\u0947 \u0915\u0947 \u0935\u0947\u0917 \u092e\u0947\u0902 \u092a\u0930\u093f\u0935\u0930\u094d\u0924\u0928 \u0915\u093e \u092e\u093e\u0928 \u0915\u093e\u0930 \u0915\u0947 \u0935\u0947\u0917 \u092e\u0947\u0902 \u092a\u0930\u093f\u0935\u0930\u094d\u0924\u0928 \u0915\u0947 \u092e\u093e\u0928 \u0938\u0947 \u092c\u0939\u0941\u0924 \u0905\u0927\u093f\u0915 \u0939\u0948\u0964) \u0905\u0916\u094d\u0924\u0930 \u0928\u0947 \u0915\u0939\u093e \u0915\u093f \u091a\u0942\u0902\u0915\u093f \u0915\u093e\u0930 \u0915\u093e \u0935\u0947\u0917 \u092c\u0939\u0941\u0924 \u0905\u0927\u093f\u0915 \u0925\u093e \u0905\u0924\u0903 \u0915\u093e\u0930 \u0928\u0947 \u0915\u0940\u0921\u093c\u0947 \u092a\u0930 \u092c\u0939\u0941\u0924 \u0905\u0927\u093f\u0915 \u092c\u0932 \u0932\u0917\u093e\u092f\u093e \u091c\u093f\u0938\u0915\u0947 \u0915\u093e\u0930\u0923 \u0915\u0940\u0921\u093c\u0947 \u0915\u0940 \u092e\u094c\u0924 \u0939\u094b \u0917\u0908\u0964 \u0930\u093e\u0939\u0941\u0932 \u0928\u0947 \u090f\u0915 \u0928\u092f\u093e \u0924\u0930\u094d\u0915 \u0926\u0947\u0924\u0947 \u0939\u0941\u090f \u0915\u0939\u093e \u0915\u093f \u0915\u093e\u0930 \u0924\u0925\u093e \u0915\u0940\u0921\u093c\u093e \u0926\u094b\u0928\u094b\u0902 \u092a\u0930 \u0938\u092e\u093e\u0928 \u092c\u0932 \u0932\u0917\u093e \u0914\u0930 \u0926\u094b\u0928\u094b\u0902 \u0915\u0947 \u0938\u0902\u0935\u0947\u0917 \u092e\u0947\u0902 \u092c\u0930\u093e\u092c\u0930 \u092a\u0930\u093f\u0935\u0930\u094d\u0924\u0928 \u0939\u0941\u0906\u0964 \u0907\u0928 \u0935\u093f\u091a\u093e\u0930\u094b\u0902 \u092a\u0930 \u0905\u092a\u0928\u0940 \u092a\u094d\u0930\u0924\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0926\u0947\u0902\u0964<\/strong>
\n\u0909\u0924\u094d\u0924\u0930-<\/strong>
\n(a) \u0915\u093f\u0930\u0923 \u0915\u093e \u092f\u0939 \u092e\u093e\u0928\u0928\u093e \u0915\u093f \u0915\u0940\u0921\u093c\u0947 \u0915\u0947 \u0938\u0902\u0935\u0947\u0917 \u092a\u0930\u093f\u0935\u0930\u094d\u0924\u0928 \u0915\u093e \u092a\u0930\u093f\u092e\u093e\u0923 \u0915\u093e\u0930 \u0915\u0947 \u0938\u0902\u0935\u0947\u0917 \u092a\u0930\u093f\u0935\u0930\u094d\u0924\u0928 \u0915\u0947 \u092a\u0930\u093f\u092e\u093e\u0923 \u0915\u0940 \u0905\u092a\u0947\u0915\u094d\u0937\u093e \u092c\u0939\u0941\u0924 \u0905\u0927\u093f\u0915 \u0939\u0948\u0964 \u092f\u0939 \u0924\u0930\u094d\u0915 \u0917\u0932\u0924 \u0939\u0948\u0964<\/p>\n

(b) \u0905\u0916\u093c\u094d\u0924\u0930 \u0915\u093e \u0924\u0930\u094d\u0915 \u092d\u0940 \u0917\u0932\u0924 \u0939\u0948\u0964<\/p>\n

(c) \u0930\u093e\u0939\u0941\u0932 \u0915\u093e \u0924\u0930\u094d\u0915 \u0938\u0939\u0940 \u0939\u0948\u0964 \u0926\u094b\u0928\u094b\u0902 \u092a\u0930 \u0938\u092e\u093e\u0928 \u092c\u0932 \u0932\u0917\u0947\u0917\u093e \u0915\u094d\u092f\u094b\u0902\u0915\u093f \u0915\u094d\u0930\u093f\u092f\u093e \u0924\u0925\u093e \u092a\u094d\u0930\u0924\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0938\u092e\u093e\u0928 \u092a\u0930\u0902\u0924\u0941 \u0935\u093f\u092a\u0930\u0940\u0924 \u0926\u093f\u0936\u093e \u092e\u0947\u0902 \u0915\u094d\u0930\u093f\u092f\u093e\u0936\u0940\u0932 \u0939\u094b\u0924\u0947 \u0939\u0948\u0902\u0964 \u0938\u093e\u0925 \u0939\u0940, \u0938\u0902\u0935\u0947\u0917 \u092e\u0947\u0902 \u092a\u0930\u093f\u0935\u0930\u094d\u0924\u0928 \u0915\u093e \u092a\u0930\u093f\u092e\u093e\u0923 \u092d\u0940 \u0938\u092e\u093e\u0928 \u0939\u0940 \u0930\u0939\u0924\u093e \u0939\u0948\u0964
\n\u092a\u094d\u0930\u093e\u0930\u0902\u092d\u093f\u0915 \u0938\u0902\u0935\u0947\u0917 (\u091f\u0915\u094d\u0915\u0930 \u0915\u0947 \u092a\u0942\u0930\u094d\u0935) = \u0905\u0902\u0924\u093f\u092e \u0938\u0902\u0935\u0947\u0917 (\u091f\u0915\u094d\u0915\u0930 \u0915\u0947 \u092c\u093e\u0926)
\ni.e., [m1<\/sub>u1<\/sub> + m2<\/sub>u2<\/sub> = m1<\/sub>v1<\/sub> +m2<\/sub>v2<\/sub>]
\n\u0938\u0902\u0935\u0947\u0917 \u0938\u0902\u0930\u0915\u094d\u0937\u0923 \u0915\u0947 \u0928\u093f\u092f\u092e\u093e\u0928\u0941\u0938\u093e\u0930
\n\u0938\u094d\u092a\u0937\u094d\u091f\u0924\u0903 \u0926\u094b\u0928\u094b\u0902 \u0935\u0938\u094d\u0924\u0941\u0913\u0902 (\u0915\u0940\u0921\u093c\u0947 \u090f\u0935\u0902 \u0915\u093e\u0930) \u092a\u0930 \u0938\u092e\u093e\u0928 \u092c\u0932 \u0906\u0930\u094b\u092a\u093f\u0924 \u0939\u094b\u0917\u093e \u0924\u0925\u093e \u0938\u0902\u0935\u0947\u0917 \u092e\u0947\u0902 \u092a\u0930\u093f\u0935\u0930\u094d\u0924\u0928 \u092d\u0940 \u0938\u092e\u093e\u0928 \u0939\u094b\u0917\u093e\u0964 \u0915\u0940\u0921\u093c\u0947 \u0915\u093e \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 \u0905\u0924\u094d\u092f\u0927\u093f\u0915 \u0915\u092e \u0939\u094b\u0928\u0947 \u0915\u0947 \u0915\u093e\u0930\u0923 \u0909\u0938\u0915\u0947 \u0935\u0947\u0917 \u092e\u0947\u0902 \u092c\u0939\u0941\u0924 \u0905\u0927\u093f\u0915 \u092a\u0930\u093f\u0935\u0930\u094d\u0924\u0928 \u0939\u094b\u0924\u093e \u0939\u0948 \u091c\u093f\u0938\u0938\u0947 \u0935\u0939 \u0936\u0940\u0936\u0947 \u0938\u0947 \u091a\u093f\u092a\u0915 \u091c\u093e\u0924\u093e \u0939\u0948\u0964<\/p>\n

\u092a\u094d\u0930\u0966 18. \u090f\u0915 10 kg \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 \u0915\u0940 \u0918\u0902\u091f\u0940 80 cm \u0915\u0940 \u090a\u0901\u091a\u093e\u0908 \u0938\u0947 \u092b\u093c\u0930\u094d\u0936 \u092a\u0930 \u0917\u093f\u0930\u0940\u0964 \u0907\u0938 \u0905\u0935\u0938\u094d\u0925\u093e \u092e\u0947\u0902 \u0918\u0902\u091f\u0940 \u0926\u094d\u0935\u093e\u0930\u093e \u092b\u093c\u0930\u094d\u0936 \u092a\u0930 \u0938\u094d\u0925\u093e\u0928\u093e\u0902\u0924\u0930\u093f\u0924 \u0938\u0902\u0935\u0947\u0917 \u0915\u0947 \u092e\u093e\u0928 \u0915\u0940 \u0917\u0923\u0928\u093e \u0915\u0930\u0947\u0902\u0964 \u092a\u0930\u093f\u0915\u0932\u0928 \u092e\u0947\u0902 \u0938\u0930\u0932\u0924\u093e \u0939\u0947\u0924\u0941 \u0928\u0940\u091a\u0947 \u0915\u0940 \u0913\u0930 \u0926\u093f\u0937\u094d\u091f \u0924\u094d\u0935\u0930\u0923 \u0915\u093e \u092e\u093e\u0928 10 ms-2<\/sup>\u00a0\u0932\u0947\u0902\u0964<\/strong>
\n\"NCERT<\/p>\n

NCERT (\u092a\u0943\u0937\u094d\u0920 \u0938\u0902\u0916\u094d\u092f\u093e-144)<\/strong><\/p>\n

\u092a\u094d\u0930\u0966 A1. \u090f\u0915 \u0935\u0938\u094d\u0924\u0941 \u0915\u0940 \u0917\u0924\u093f \u0915\u0940 \u0905\u0935\u0938\u094d\u0925\u093e \u092e\u0947\u0902 \u0926\u0942\u0930\u0940 \u0938\u092e\u092f \u0938\u093e\u0930\u0923\u0940 \u0928\u093f\u092e\u094d\u0928\u0935\u0924\u094d \u0939\u0948 :<\/strong>
\n\"NCERT
\n(a) \u0924\u094d\u0935\u0930\u0923 \u0915\u0947 \u092c\u093e\u0930\u0947 \u092e\u0947\u0902 \u0906\u092a \u0915\u094d\u092f\u093e \u0928\u093f\u0937\u094d\u0915\u0930\u094d\u0937 \u0928\u093f\u0915\u093e\u0932 \u0938\u0915\u0924\u0947 \u0939\u0948\u0902? \u0915\u094d\u092f\u093e \u092f\u0939 \u0928\u093f\u092f\u0924 \u0939\u0948? \u092c\u0922\u093c \u0930\u0939\u093e \u0939\u0948? \u0918\u091f \u0930\u0939\u093e \u0939\u0948? \u092f\u093e \u0936\u0942\u0928\u094d\u092f \u0939\u0948?<\/strong>
\n(b) \u0906\u092a \u0935\u0938\u094d\u0924\u0941 \u092a\u0930 \u0932\u0917\u0928\u0947 \u0935\u093e\u0932\u0947 \u092c\u0932 \u0915\u0947 \u092c\u093e\u0930\u0947 \u092e\u0947\u0902 \u0915\u094d\u092f\u093e \u0928\u093f\u0937\u094d\u0915\u0930\u094d\u0937 \u0928\u093f\u0915\u093e\u0932 \u0938\u0915\u0924\u0947 \u0939\u0948\u0902?<\/strong>
\n\u0909\u0924\u094d\u0924\u0930-<\/strong>
\n(a) \u091c\u092c \u0938\u092e\u092f t = 0, \u0924\u094b \u0926\u0942\u0930\u0940 S = (0)3<\/sup> = 0
\n\u091c\u092c t = 1, \u0924\u094b S = (1)3<\/sup> = 1
\n\u091c\u092c t = 2, \u0924\u094b S = 23<\/sup> = 8
\n\u0907\u0938\u0940 \u092a\u094d\u0930\u0915\u093e\u0930, \u0905\u0928\u094d\u092f \u0938\u092d\u0940 \u092e\u093e\u0928\u094b\u0902 \u0915\u0947 \u0932\u093f\u090f\u0964 \u0905\u0924\u0903 \u0926\u0940 \u0917\u0908 \u0924\u093e\u0932\u093f\u0915\u093e \u0938\u0947 \u0938\u094d\u092a\u0937\u094d\u091f \u0939\u0948 \u0915\u093f [s \u221d t3<\/sup>]
\n\u0905\u0930\u094d\u0925\u093e\u0924\u094d \u0926\u0942\u0930\u0940 \u221d (\u0938\u092e\u092f)3<\/sup>
\n\u091a\u0942\u0901\u0915\u093f \u0926\u0942\u0930\u0940, \u0938\u092e\u092f \u0915\u0947 \u0918\u0928 (Cube) \u0915\u0947 \u0938\u092e\u093e\u0928\u0941\u092a\u093e\u0924\u0940 \u0939\u0948 \u0905\u0924\u0903 \u0924\u094d\u0935\u0930\u0923 \u0938\u092e\u092f \u0915\u0947 \u0938\u093e\u0925 \u090f\u0915\u0938\u092e\u093e\u0928 \u0930\u0942\u092a \u0938\u0947 \u092c\u0922\u093c \u0930\u0939\u093e \u0939\u0948\u0964<\/p>\n

(b) \u0939\u092e \u091c\u093e\u0928\u0924\u0947 \u0939\u0948\u0902 \u0915\u093f F = ma i.e., F \u221d a \u092f\u093e a \u221d F \u091a\u0942\u0901\u0915\u093f \u0924\u094d\u0935\u0930\u0923 \u0915\u093e \u092e\u093e\u0928 \u0938\u092e\u092f \u0915\u0947 \u0938\u093e\u0925 \u090f\u0915\u0938\u092e\u093e\u0928 \u0930\u0942\u092a \u0938\u0947 \u092c\u0922\u093c \u0930\u0939\u093e \u0939\u0948\u0964 \u0905\u0924\u0903 \u0935\u0938\u094d\u0924\u0941 \u092a\u0930 \u0906\u0930\u094b\u092a\u093f\u0924 \u092c\u0932 (\u0932\u0917\u0928\u0947 \u0935\u093e\u0932\u0947 \u092c\u0932) \u0915\u093e \u092e\u093e\u0928 \u092d\u0940 \u0938\u092e\u092f \u0915\u0947 \u0938\u093e\u0925 \u090f\u0915\u0938\u092e\u093e\u0928 \u0930\u0942\u092a \u0938\u0947 \u092c\u0922\u093c\u0947\u0917\u093e\u0964<\/p>\n

\u092a\u094d\u0930\u0966 A2. 1200 kg \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 \u0915\u0940 \u0915\u093e\u0930 \u0915\u094b \u090f\u0915 \u0938\u092e\u0924\u0932 \u0938\u0921\u093c\u0915 \u092a\u0930 \u0926\u094b \u0935\u094d\u092f\u0915\u094d\u0924\u093f \u0938\u092e\u093e\u0928 \u0935\u0947\u0917 \u0938\u0947 \u0927\u0915\u094d\u0915\u093e \u0926\u0947\u0924\u0947 \u0939\u0948\u0902\u0964 \u0909\u0938\u0940 \u0915\u093e\u0930 \u0915\u094b \u0924\u0940\u0928 \u0935\u094d\u092f\u0915\u094d\u0924\u093f\u092f\u094b\u0902 \u0926\u094d\u0935\u093e\u0930\u093e \u0927\u0915\u094d\u0915\u093e \u0926\u0947\u0915\u0930 0.2 ms-2<\/sup>\u00a0\u0915\u093e \u0924\u094d\u0935\u0930\u0923 \u0909\u0924\u094d\u092a\u0928\u094d\u0928 \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948\u0964 \u0915\u093f\u0924\u0928\u0947 \u092c\u0932 \u0915\u0947 \u0938\u093e\u0925 \u092a\u094d\u0930\u0924\u094d\u092f\u0947\u0915 \u0935\u094d\u092f\u0915\u094d\u0924\u093f \u0915\u093e\u0930 \u0915\u094b \u0927\u0915\u0947\u0932 \u092a\u093e\u0924\u093e \u0939\u0948\u0964 (\u092e\u093e\u0928 \u0932\u0947\u0902 \u0915\u093f \u0938\u092d\u0940 \u0935\u094d\u092f\u0915\u094d\u0924\u093f \u0938\u092e\u093e\u0928 \u092a\u0947\u0936\u0940\u092f \u092c\u0932 \u0915\u0947 \u0938\u093e\u0925 \u0915\u093e\u0930 \u0915\u094b \u0927\u0915\u094d\u0915\u093e \u0926\u0947\u0924\u0947 \u0939\u0948\u0902\u0964)<\/strong>
\n\u0909\u0924\u094d\u0924\u0930-<\/strong> \u092e\u093e\u0928\u093e \u0915\u093f \u092a\u094d\u0930\u0924\u094d\u092f\u0947\u0915 \u0935\u094d\u092f\u0915\u094d\u0924\u093f F \u092c\u0932 \u0932\u0917\u093e\u0924\u093e \u0939\u0948\u0964
\n\u091c\u092c \u0915\u093e\u0930 \u0915\u094b \u0926\u094b \u0935\u094d\u092f\u0915\u094d\u0924\u093f \u0927\u0915\u094d\u0915\u093e \u0926\u0947\u0924\u0947 \u0939\u0948\u0902 \u0924\u094b \u0915\u093e\u0930 \u092e\u0947\u0902 \u0924\u094d\u0935\u0930\u0923 \u0909\u0924\u094d\u092a\u0928\u094d\u0928 \u0928\u0939\u0940\u0902 \u0939\u094b\u0924\u093e \u0939\u0948 \u0905\u0924\u0903 F + F = 2 F \u092c\u0932 \u0918\u0930\u094d\u0937\u0923 \u092c\u0932 (f) \u0926\u094d\u0935\u093e\u0930\u093e \u0938\u0902\u0924\u0941\u0932\u093f\u0924 \u0939\u094b \u091c\u093e\u0924\u093e \u0939\u0948 \u091c\u094b \u0935\u093f\u092a\u0930\u0940\u0924 \u0926\u093f\u0936\u093e \u0938\u0947 \u0932\u0917\u0924\u093e \u0939\u0948\u0964
\n\u0905\u0924\u0903 f = 2F …(1)
\n\u0935\u0939 \u092c\u0932 \u091c\u094b \u0915\u093e\u0930 \u092e\u0947\u0902 \u0924\u094d\u0935\u0930\u0923 \u0909\u0924\u094d\u092a\u0928\u094d\u0928 \u0915\u0930 \u0926\u0947\u0924\u093e \u0939\u0948\u0964
\n= 3F – f
\n\u0924\u0940\u0928 \u0935\u094d\u092f\u0915\u094d\u0924\u093f\u092f\u094b\u0902 \u0926\u094d\u0935\u093e\u0930\u093e \u092c\u0932 \u0932\u0917\u093e\u0928\u0947 \u092a\u0930 \u0915\u093e\u0930 \u092e\u0947\u0902 \u0924\u094d\u0935\u0930\u0923 \u0909\u0924\u094d\u092a\u0928\u094d\u0928 \u0939\u094b\u0924\u093e \u0939\u0948\u0964 i.e., F + F + F = 3 F
\n= 3F -2F [\u0938\u092e\u0940\u0966 1 \u0938\u0947 \u092e\u093e\u0928 \u0930\u0916\u0928\u0947 \u092a\u0930] = F
\n\u0905\u0924: F = m x a = 1200 kg x 0.2 ms-2<\/sup>\u00a0= 240 N<\/p>\n

\u092a\u094d\u0930\u0966 A3. 500 g \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 \u0915\u0947 \u090f\u0915 \u0939\u0925\u094c\u0921\u093c\u0947 \u0926\u094d\u0935\u093e\u0930\u093e 50 ms-1<\/sup> \u0935\u0947\u0917 \u0938\u0947 \u090f\u0915 \u0915\u0940\u0932 \u092a\u0930 \u092a\u094d\u0930\u0939\u093e\u0930 \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948\u0964 \u0915\u0940\u0932 \u0926\u094d\u0935\u093e\u0930\u093e \u0939\u0925\u094c\u0921\u093c\u0947 \u0915\u094b \u092c\u0939\u0941\u0924 \u0915\u092e \u0938\u092e\u092f 0.01 s \u092e\u0947\u0902 \u0939\u0940 \u0930\u094b\u0915 \u0926\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948\u0964 \u0915\u0940\u0932 \u0915\u0947 \u0926\u094d\u0935\u093e\u0930\u093e \u0939\u0925\u094c\u0921\u093c\u0947 \u092a\u0930 \u0932\u0917\u093e\u090f \u0917\u090f \u092c\u0932 \u0915\u093e \u092a\u0930\u093f\u0915\u0932\u0928 \u0915\u0930\u0947\u0902\u0964<\/strong>
\n\u0909\u0924\u094d\u0924\u0930-<\/strong> \u0939\u0925\u094c\u0921\u093c\u0947 \u0915\u093e \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928, m = 500 g = \\(\\frac { 500 }{ 1000 }\\) = 0.5 kg
\n\u0939\u0925\u094c\u0921\u093c\u0947 \u0915\u093e \u092a\u094d\u0930\u093e\u0930\u0902\u092d\u093f\u0915 \u0935\u0947\u0917, u = 50 ms-1<\/sup>
\n\u0905\u0902\u0924\u093f\u092e \u0935\u0947\u0917, v = 0 (\u091a\u0942\u0902\u0915\u093f \u0939\u0925\u094c\u0921\u093c\u093e \u0930\u0941\u0915 \u091c\u093e\u0924\u093e \u0939\u0948)
\n\u0938\u092e\u092f, t = 0.01 s
\n\u0924\u094d\u0935\u0930\u0923, g = ?
\n\u0905\u092c, \u0917\u0924\u093f \u0915\u0947 \u0938\u092e\u0940\u0915\u0930\u0923 v = u + at \u0926\u094d\u0935\u093e\u0930\u093e
\n0 = 50 + a x 0.01 s
\n-50 = (0.01) a
\na =- 5000 ms-2<\/sup>
\n\u0939\u092e \u091c\u093e\u0928\u0924\u0947 \u0939\u0948\u0902 \u0915\u093f F = m x a
\n\u21d2 F = (0.5 kg) x (-5000 ms-2<\/sup>) = – 2500 N
\n\u090b\u0923\u093e\u0924\u094d\u092e\u0915 \u091a\u093f\u0939\u094d\u0928 \u092f\u0939 \u0926\u0930\u094d\u0936\u093e\u0924\u093e \u0939\u0948 \u0915\u093f \u0915\u0940\u0932 \u0915\u0947 \u0926\u094d\u0935\u093e\u0930\u093e \u0932\u0917\u093e\u092f\u093e
\n\u0917\u092f\u093e \u092c\u0932 \u0917\u0924\u093f \u0915\u0947 \u0935\u093f\u092a\u0930\u0940\u0924 \u0926\u093f\u0936\u093e \u092e\u0947\u0902 \u0939\u094b\u0924\u093e \u0939\u0948\u0964<\/p>\n

\u092a\u094d\u0930\u0966 A4. \u090f\u0915 1200 kg \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 \u0915\u0940 \u092e\u094b\u091f\u0930\u0915\u093e\u0930 90 km\/h \u0915\u0940 \u0935\u0947\u0917 \u0938\u0947 \u090f\u0915 \u0938\u0930\u0932 \u0930\u0947\u0916\u093e \u0915\u0947 \u0905\u0928\u0941\u0926\u093f\u0936 \u091a\u0932 \u0930\u0939\u0940 \u0939\u0948\u0964 \u0909\u0938\u0915\u093e \u0935\u0947\u0917 \u092c\u093e\u0939\u0930\u0940 \u0905\u0938\u0902\u0924\u0941\u0932\u093f\u0924 \u092c\u0932 \u0932\u0917\u0928\u0947 \u0915\u0947 \u0915\u093e\u0930\u0923 4 s \u092e\u0947\u0902 \u0918\u091f\u0915\u0930 18 km\/h \u0939\u094b \u091c\u093e\u0924\u093e \u0939\u0948\u0964 \u0924\u094d\u0935\u0930\u0923 \u0914\u0930 \u0938\u0902\u0935\u0947\u0917 \u092e\u0947\u0902 \u092a\u0930\u093f\u0935\u0930\u094d\u0924\u0928 \u0915\u093e \u092a\u0930\u093f\u0915\u0932\u0928 \u0915\u0930\u0947\u0902\u0964 \u0932\u0917\u0928\u0947 \u0935\u093e\u0932\u0947 \u092c\u0932 \u0915\u0947 \u092a\u0930\u093f\u092e\u093e\u0923 \u0915\u093e \u092d\u0940 \u092a\u0930\u093f\u0915\u0932\u0928 \u0915\u0930\u0947\u0902\u0964<\/strong>
\n\u0909\u0924\u094d\u0924\u0930-<\/strong>
\n\"NCERT
\n\"NCERT<\/p>\n

Hope given NCERT Solutions for Class 9 Science Chapter 9\u00a0are helpful to complete your homework.<\/p>\n","protected":false},"excerpt":{"rendered":"

NCERT Solutions for Class 9 Science Chapter 9 Force and Laws of Motion (Hindi Medium) These Solutions are part of NCERT Solutions for Class 9 Science in Hindi Medium. Here we have given NCERT Solutions for Class 9 Science Chapter 9 Force and Laws of Motion. \u092a\u093e\u0920\u0917\u0924 \u0939\u0932 \u092a\u094d\u0930\u0936\u094d\u0928 (NCERT IN-TEXT QUESTIONS SOLVED) NCERT \u092a\u093e\u0920\u094d\u092f\u092a\u0941\u0938\u094d\u0924\u0915 …<\/p>\n

NCERT Solutions for Class 9 Science Chapter 9 Force and Laws of Motion (Hindi Medium)<\/span> Read More »<\/a><\/p>\n","protected":false},"author":9,"featured_media":7154,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","spay_email":""},"categories":[6],"tags":[],"yoast_head":"\nNCERT Solutions for Class 9 Science Chapter 9 Force and Laws of Motion (Hindi Medium) - MCQ Questions<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mcq-questions.com\/ncert-solutions-for-class-9-science-chapter-9-hindi\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"NCERT Solutions for Class 9 Science Chapter 9 Force and Laws of Motion (Hindi Medium) - MCQ Questions\" \/>\n<meta property=\"og:description\" content=\"NCERT Solutions for Class 9 Science Chapter 9 Force and Laws of Motion (Hindi Medium) These Solutions are part of NCERT Solutions for Class 9 Science in Hindi Medium. 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