Equal force F ( > mg) is applied to string in all 3 cases. Starting from rest, point of applicati

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5.Work, Energy, Power and Collision

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Equal force $F ( > mg)$ is applied to string in all the $3$ cases. Starting from rest, the point of application of force moves a distance of $2 m$ down in all cases. In which case the block has maximum kinetic energy?

A

$1$

B

$2$

C

$3$

D

equal in all $3$ cases

Solution

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Standard 11

Physics

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