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 $48 m$ , how much force must be applied to the wheel to keep the object from falling?

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Answer 1 · 2017-03-15T15:04:15

The force is $=58.8N$

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The load $=24gN$

Radius of axle $r=12m$

Radius of wheel $R=48m$

Taking moments about the center of the axle

$F*48=24g*12$

$F=(24g*12)/48=6g=58.8N$

An object with a mass of 24 kg24 kg is hanging from an axle with a radius of 12 m12 m. If the wheel attached to the axle has a radius of 48 m48 m, how much force must be applied to the wheel to keep the object from falling?