A Man Pushing Against A Wall Does Not Do Any Work. Explain Briefly.

As we know,

Work is said to be done when there is displacement.

Work done (W) = force (F) * displacement (D).

In the above-given statement, a main is pushing against a wall, which does not displace from its position even though the force is applied. Therefore, displacement is zero. Hence work done is said to be zero.

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