An object with a mass of 15 kg is hanging from an axle with a radius of 24 m. If the wheel attached to the axle has a radius of 39 m, how much force must be applied to the wheel to keep the object from falling?

1 Answer
May 6, 2017

The force is =90.5N

Explanation:

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The load L=(15g)N#

Radius of axle r=24m

Radius of wheel R=39m

Taking moments about the center of the axle

F*R=L*r

F*39=15*g*24

F=(15*g*24)/39=90.5N