An object with a mass of 5kg is hanging from an axle with a radius of 18m. If the wheel attached to the axle has a radius of 3m, how much force must be applied to the wheel to keep the object from falling?

1 Answer
Jul 1, 2017

The force is =294N

Explanation:

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The load L=(5g)N

Radius of axle r=18m

Radius of wheel R=3m

Taking moments about the center of the axle

FR=Lr

F3=5g18

F=5g183=294N

The force is F=294N