Question

A body mass to kilogram is moving in a circular path of radius 2 metre how much work is done on the body?
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Answer 1

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▪︎The work done on the body is 0

▪︎On a circular path, the angle between velocity and the displacement is 90 degrees.

▪︎So, the work done is : So, the work done on the body is 0. Hence, this is the required solution.