For work done to be maximum, the angle between the force and displacement should be :
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0°
Reason — If the displacement is in the direction of force i.e., θ = 0°, then cos 0° = 1 and work done is maximum.
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When a body moves in a circular path in a horizontal plane, the work done is :
When a ball m is thrown upwards to a height h, the work done by the force of gravity is:
The S.I. unit of work is: