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How much work is done by the force of gravity when a 15 kilogram rock falls off of a bridge 20 meters high?
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How much work is done by the force of gravity when a 15 kilogram rock falls off of a bridge 20 meters high?

User Jonnnnnnnnnie
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Work Done ( By Gravity) = Mg.H
= 15*10*20
=3 kJ
User Manthan Patel
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