An object with a mass of $5 kg$ is hanging from an axle with a radius of $12 m$ . If the wheel attached to the axle has a radius of $63 m$ , how much force must be applied to the wheel to keep the object from falling?

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Answer 1 · 2017-05-16T11:38:52

The force is $=9.33N$

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The load L=(5g)N#

Radius of axle $r=12m$

Radius of wheel $R=63m$

Taking moments about the center of the axle

$F*R=L*r$

$F*63=5*g*12$

$F=(60*g)/63=9.33N$

An object with a mass of 5 kg5 kg is hanging from an axle with a radius of 12 m12 m. If the wheel attached to the axle has a radius of 63 m63 m, how much force must be applied to the wheel to keep the object from falling?