An object with a mass of #2 kg# is hanging from an axle with a radius of #2 m#. If the wheel attached to the axle has a radius of #24 m#, how much force must be applied to the wheel to keep the object from falling?

1 Answer
Narad T.
Mar 22, 2017

The force is #=1.63N#

Explanation:

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The load #=(2g)N#

Radius of axle #r=2m#

Radius of wheel #R=24m#

Taking moments about the center of the axle

#F*24=2*g*2#

#F=(2*g*2)/24=1/6g=1.63N#

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