Question

# A man pushing against a wall does not do any work. Explain briefly.

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Solution

## Work is said to be done when there is displacement.Work done $\left(W\right)=$force $\left(F\right)×$ displacement$\left(D\right)$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. Thus, the work done is said to be zero.

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