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प्रश्न
Lift an object (box) through some distance. Did you do some work in doing so? To lift the box, you exert a force. As you lift the box, work is done. The force has raised the box through a height.
But some forces do not produce motion in objects. These forces do not produce any work.
लघु उत्तर
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उत्तर
Yes, work is done when the box is lifted because a force is applied and the box is displaced upward through a height.
W = F × d
If a force does not produce any displacement, then no work is done.
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