State the nature of work done in the following cases giving justification :-
A) a girl is running along a circular path with constant speed.
B) a coolie is standing on a platform carrying a load on his head for 5 minutes
Please help me anyone!!!
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Answer:
a- the work done is 0 as displacement is 0
Answered by
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Answer:
A) work done = 0 because work done by centripetal force is zero.
B) work done = 0 , since there is no displacement in the direction of force. also the force is perpemdicular or right angle to the displacement.
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