An object with a mass of $5 kg$ is hanging from an axle with a radius of $48 m$ . 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?

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Answer 1 · 2017-03-11T15:48:43

The force is $=784N$

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The load $=5gN$

Radius of axle $r=48m$

Radius of wheel $R=3m$

Taking moments about the center of the axle

$F*3=5g*48$

$F=(5g*48)/3=80g=784N$

An object with a mass of 5 kg5 kg is hanging from an axle with a radius of 48 m48 m. If the wheel attached to the axle has a radius of 3 m3 m, how much force must be applied to the wheel to keep the object from falling?