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 $4 m$ , how much force must be applied to the wheel to keep the object from falling?

Question

1187 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2017-05-06T09:51:35

The force is $=147N$

enter image source here

The load L=(5g)N#

Radius of axle $r=12m$

Radius of wheel $R=4m$

Taking moments about the center of the axle

$F*R=L*r$

$F*4=5*g*12$

$F=(5*g*12)/4=147N$

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 4 m4 m, how much force must be applied to the wheel to keep the object from falling?