Calculate the following: a) How much work is required to lift a 35 kg object from the ground 3.0 m into the air? b) How much gravitational potential energy did this object gain?
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Explanation:
Work(W)=Force(F)×Distance(D)
Weight of an object under gravitational force is=Mass(M)×Accelaration(A).So as your question,here work=weight×height
=35×3 kg.m
=105 Joule (kg.meter=Joule).
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