when is work done by body is zero
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when force applied to body is zero or displacement done by body is zero
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when the angle between the force and the displacement is 90° then work done will be zero (since cos90° is 0)
work done by a body in covering a round path (for e.g starting from point A , going through any state and coming back to A) will be zero since the net displacement is 0.
hope this helps
work done by a body in covering a round path (for e.g starting from point A , going through any state and coming back to A) will be zero since the net displacement is 0.
hope this helps
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