An object with a mass of #24 kg# is hanging from an axle with a radius of #12 m#. If the wheel attached to the axle has a radius of #42 m#, how much force must be applied to the wheel to keep the object from falling?

1 Answer
Apr 2, 2017

Answer:

The force is #=67.2N#

Explanation:

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The load #=(24g)N#

Radius of axle #r=12m#

Radius of wheel #R=42m#

Taking moments about the center of the axle

#F*42=24*g*12#

#F=(24*g*12)/42=67.2N#