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 #3 m#, how much force must be applied to the wheel to keep the object from falling?

1 Answer
Narad T.
Apr 12, 2017

The force is #=13.07N#

Explanation:

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The load #=(2g)N#

Radius of axle #r=2m#

Radius of wheel #R=3#

Taking moments about the center of the axle

#F*3=2*g*2#

#F=(2*g*2)/3=13.07N#

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