When a body moves in a circular path, work done on it is _______.

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Solution

Work is said to be done when a force is applied to a body, such that the force causes displacement in the body.
Displacement is the shortest distance between the initial and final positions of a body.
When a body moves in a circular path, it may cover some distance, but the displacement will be zero, hence, the work done is also zero.
Hence, when a body moves in a circular path, work done on it is zero

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