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प्रश्न
How much force is applied on a body when 150 J of work is done in displacing the body through a distance of 10 m in the direction of the force?
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उत्तर
Given work done = 150J, Displacement = 10m, 0 = 0°
Now work done = force x displacement x cos 0°
or force = `150/10` = 15N
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