State 2 examples when force acting on a body does not do any work
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1. Standing still with a load on the head. - There is no displacement or movement although the heavy load may put force on the head or on the body. ... Pushing an anchored tree, or a wall, are other examples, where futile efforts are put by applying force against an object which does not move or have a displacement
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Explanation:
Answer. Pushing or pulling a wall. Pulling a rope from both ends by equal force.
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