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प्रश्न
A box is pushed through 4.0 m across a floor offering 100 N resistance. How much work is done by the resisting force?
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उत्तर
Resisting force acting on the box, \[F = 100 N\]
Displacement of the box, S = 4 m
Also,
\[\theta = 180^\circ\]
∴ Work done by the resisting force,
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