Question

Give two instances wherein the work done by a non-zero force is zero.​

Answer 1

Here is your answer: Zero Work done: When the force applied or the displacement or both are zero, or force and displacement are perpendicular to each other, the work done is zero. Examples of zero work : When we push hard against a wall, the force we exert on the wall does no work, because displacement s is zero.

Answer 2

Explanation:

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