An object with a mass of $4 kg$ is hanging from an axle with a radius of $36 m$ . If the wheel attached to the axle has a radius of $15 m$ , how much force must be applied to the wheel to keep the object from falling?

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Answer 1 · 2018-04-01T06:09:14

The force is $=94.1N$

www.odicis.org

The load is $L=4gN$

The radius of the axle is $r=36m$

The radius of the wheel is $R=15m$

The effort is $=FN$

The acceleration due to gravity is $g=9.8ms^-2$

Taking moments about the center of the axle

$F*15=4g*36$

$F=(4g*36)/15=94.1N$

The force is $F=94.1N$

An object with a mass of 4 kg4 kg is hanging from an axle with a radius of 36 m36 m. If the wheel attached to the axle has a radius of 15 m15 m, how much force must be applied to the wheel to keep the object from falling?