An object with a mass of #3 kg# is hanging from an axle with a radius of #6 m#. If the wheel attached to the axle has a radius of #12 m#, how much force is needed to raise the object?

1 Answer
Mar 23, 2017

Answer:

The force is #=14.7N#

Explanation:

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The load #=(3g)N#

Radius of axle #r=6m#

Radius of wheel #R=12m#

Taking moments about the center of the axle

#F*12=3*g*6#

#F=(3*g*6)/12=3/2g=14.7N#