The kinetic energy k of a particle moving in a straight line depends upon the distance s as k= as". The force acting on the particle is 1) 2as 2) 2mas 3) 2a 4) vas²
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Force can be found out from equation f=ma , but for this we need value of mass of the body and its acceleration with which it is moving.
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Explanation:
F is variable in this case so we have to differentiate it
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