A girl is running through a circular path with a uniform speed. How much work is done by the girl ?
Answers & Comments
mahidoll
After 1 complete rotation ,the displacement is 0 .,so no work is done by the girl . since, work = force X displacement .. it may help if so plzzz mark as brainliest answer plzzzz
Answers & Comments
since, work = force X displacement ..
it may help if so plzzz mark as brainliest answer plzzzz
Work done is zero in the following cases :
1.If F = 0
2.If s =0
3.If F s cos 90 degrees. (If F and s are perpendicular )
If the girl is moving around a circular path , there will be no displacement.
∴ Work done = 0
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