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Physics 16 Online
OpenStudy (anonymous):

c. Why would the chairlifts need more power than the amount used to overcome the force of gravity?

OpenStudy (anonymous):

because they have to lift the weight of the chair vertically up against gravity

OpenStudy (anonymous):

its over coming, different forces, i.e weight(-g), normal force, leverage, tension (sort of )

OpenStudy (anonymous):

thank you for helping me. Great answer!

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