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Define work energy theorem.

Answer» Hello chehak<br>Hi<br>The Work- Energy Theorem states that the\xa0work done on or by the body is equal to the change in its kinetic energy.\xa0Consider a force\xa0F\xa0applied on the body of mass\xa0m\xa0moving on the horizontal frictionless surface.Let after travelling a distances s, the velocity of body change from u to v.The small amount of work, dW done by force F in displacing the body by ds is,\xa0dW =\xa0\xa0\xa0dW = mv dv\xa0Now, integrating both sides, we have\xa0That is,\xa0Work = Change in Kinetic energy.


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