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A man pushes the wall and fails to displace it. He does
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The correct answer is:
no work at all
When man pushes the wall, then he does not produce any displacement in the wall.
\(\begin{aligned}
& \text {i.e., displacement }=0 \\
\therefore \quad \text { Work done } & =\text { Force } \times \text { Displacement } \\
& =\text { Force } \times 0=0
\end{aligned}\)
\(\begin{aligned}
& \text {i.e., displacement }=0 \\
\therefore \quad \text { Work done } & =\text { Force } \times \text { Displacement } \\
& =\text { Force } \times 0=0
\end{aligned}\)
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