An object with a mass of $6 kg$ is hanging from an axle with a radius of $7 m$ . 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 · 2017-12-30T07:06:15

The force is $=8.575N$

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The load is $L=6gN$

The radius of the axle is $r=7m$

The radius of the wheel is $R=48m$

The effort is $=FN$

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

Taking moments about the center of the axle

$F*48=6g*7$

$F=(6g*7)/48=8.575N$

The force is $F=8.575N$

An object with a mass of 6 kg6 kg is hanging from an axle with a radius of 7 m7 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?