Class 11 Physics Chapter 6 Work, Energy and Power
.The sign of work done by a force on a body is important to understand. State carefully if the following quantities are positive or negative. (a) Wor…
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NCERT Solutions for Class 11 Physics Chapter 7 System of Particles and Rotational Motion
Q1. Give the location of the centre of mass of a (i) sphere, (ii) cylinder, (iii) ring, and (iv) cube, each of uniform mass density. Does the centre …
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