An object with a mass of #24 kg# is hanging from an axle with a radius of #4 m#. If the wheel attached to the axle has a radius of #20 m#, how much force must be applied to the wheel to keep the object from falling?

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Answer 1 · 2017-07-09T17:53:00

The force is #=47N#

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The load #L=(24g)N#

Radius of axle #r=4m#

Radius of wheel #R=20m#

Taking moments about the center of the axle

#F*R=L*r#

#F*20=24g*4#

#F=(24*g*4)/20=47N#

The force is #F=47N#