An object with a mass of $8 kg$ is hanging from an axle with a radius of $15 m$ . If the wheel attached to the axle has a radius of $9 m$ , how much force must be applied to the wheel to keep the object from falling?

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Answer 1 · 2017-05-24T05:17:45

The force is $=130.7N$

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The load L=(8g)N#

Radius of axle $r=15m$

Radius of wheel $R=9m$

Taking moments about the center of the axle

$F*R=L*r$

$F*9=8*g*15$

$F=(8*g*15)/9=130.7N$

The force is $=130.7N$

An object with a mass of 8 kg8 kg is hanging from an axle with a radius of 15 m15 m. If the wheel attached to the axle has a radius of 9 m9 m, how much force must be applied to the wheel to keep the object from falling?