An object with a mass of 1kg is hanging from an axle with a radius of 16m. If the wheel attached to the axle has a radius of 8m, how much force must be applied to the wheel to keep the object from falling?

1 Answer
Apr 25, 2017

The force is =19.6N

Explanation:

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The load L=(1g)N#

Radius of axle r=16m

Radius of wheel R=8m

Taking moments about the center of the axle

FR=Lr

F8=1g16

The force is

F=1g168=2g=19.6N