The roof of a large arena with a weight of 280 kn is lifted
The roof of a large arena, with a weight of 280 kN, is lifted by 42 centimeter so that it can be centered. Determine how much work is done on the roof by the forces making the lift?
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the roof of a large arena with a weight of 280 kn is lifted by 42 centimeter so that it can be centered determine how
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