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A crane pulls up a car of mass 500kg to a vertical height of 4m. Calculate the work done by the crane.

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A crane pulls up a car of mass 500kg to a vertical height of 4m. Calculate the work done by the crane.
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`W = Fs = (5000N) xx (4m) = 20000 J (F = 500 kg wt = 500 xx 10 = 5000 N)`
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