An object with a mass of #6 kg# is hanging from an axle with a radius of #54 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?

1 Answer
Mar 14, 2017

Answer:

The force is #=793.8N#

Explanation:

enter image source here

The load #=6gN#

Radius of axle #r=54m#

Radius of wheel #R=4m#

Taking moments about the center of the axle

#F*4=6g*54#

#F=(6g*54)/4=81g=793.8N#