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Weight of a mass of 50 kg = [ m g ] = (50 x 9.8) = 490 newtons.

Work = force x distance = 490 x 4 = 1,960 newton meters = 1,960 joules

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15y ago

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If you lift 1600 meters straight up how much work did you do?

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How much work is done when an object is thrown upward?

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