An object with a mass of #5 kg# is hanging from an axle with a radius of #12 m#. If the wheel attached to the axle has a radius of #16 m#, how much force must be applied to the wheel to keep the object from falling?

1 Answer
Aug 12, 2017

Answer:

The force is #=36.75N#

Explanation:

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The load is #L=5gN#

The radius of the axle is #r=12m#

The radius of the wheel is #R=16m#

The effort is #=(F)N#

Taking moments about the center of the axle

#F*16=5g*12#

#F=5g*12/16=36.75N#