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When a force retards the motion of a body, what is the nature of work done by the force ? State reason . List two examples of such a situation .



It is negative work done because the displacement is in the opp. direction to the force applied.Negative work is done when a weight lifter lifts a body up and the force of gravity is in the downward direction.In the tug of war,acc. to the losing team negative work is done as displacement is opp. to the applied force
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