An object with a mass of 8kg is hanging from an axle with a radius of 9m. If the wheel attached to the axle has a radius of 21m, how much force must be applied to the wheel to keep the object from falling?

1 Answer
Mar 7, 2017

The force is =33.6N

Explanation:

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The load =8gN

Radius of axle r=9m

Radius of wheel R=21m

Taking moments about the center of the axle

F21=8g9

F=8g921=33.6N