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NEET UG PHYSICS MCQ: WORK-ENERGY-POWER

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Application +4 | -1

The kinetic energy of a body varies directly as square of time elapsed. The force acting varies directly as

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Correct option: D

{t^0}

Option D (

{t^0}

) is correct because if KE varies as

t^2

, then velocity varies as t, and acceleration is constant, making the force constant as well.

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