An object with a mass of #5 kg# is hanging from an axle with a radius of #48 m#. If the wheel attached to the axle has a radius of #3 m#, how much force must be applied to the wheel to keep the object from falling?

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Answer 1 · 2017-03-11T15:48:43

The force is #=784N#

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The load #=5gN#

Radius of axle #r=48m#

Radius of wheel #R=3m#

Taking moments about the center of the axle

#F*3=5g*48#

#F=(5g*48)/3=80g=784N#