An object with a mass of #3 kg# is hanging from an axle with a radius of #14 m#. If the wheel attached to the axle has a radius of #1 m#, how much force is needed to raise the object?

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Answer 1 · 2017-05-09T10:58:05

The force is #=411.6N#

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The load L=(3g)N#

Radius of axle #r=14m#

Radius of wheel #R=1m#

Taking moments about the center of the axle

#F*R=L*r#

#F*1=3*g*14#

#F=(3*g*14)/1=411.6N#