An object with a mass of #7 kg# is hanging from an axle with a radius of #58 m#. If the wheel attached to the axle has a radius of #72 m#, how much force must be applied to the wheel to keep the object from falling?

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Answer 1 · 2017-03-28T05:29:08

The force is #=55.3N#

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The load #=(7g)N#

Radius of axle #r=58m#

Radius of wheel #R=72m#

Taking moments about the center of the axle

#F*72=7*g*58#

#F=(7*g*58)/72=55.3N#