An object with a mass of $4 kg$ is hanging from an axle with a radius of $15 m$ . If the wheel attached to the axle has a radius of $6 m$ , how much force is needed to raise the object?

Question

1348 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2017-07-18T05:38:51

The force is $=98N$

enter image source here

The load $L=(4g)N$

Radius of axle $r=15m$

Radius of wheel $R=6m$

Taking moments about the center of the axle

$F*R=L*r$

$F*6=4g*15$

$F=(4*g*15)/6=98N$

The force is $F=98N$

An object with a mass of 4 kg4 kg is hanging from an axle with a radius of 15 m15 m. If the wheel attached to the axle has a radius of 6 m6 m, how much force is needed to raise the object?