State with reason weather work is done or not in the following cases
(a) a body moving in a circular path
(b) a man carrying 40kg on his head
(c) work done by the force of gravity on a satellite moving around earth
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Answer:
a)Work is done.
b)Work is not done.
c)Work is done.
Explanation:
Because in Physics work is done when the point of application of a force moves through some distance.
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