An object with a mass of #8 kg# is hanging from an axle with a radius of #32 m#. If the wheel attached to the axle has a radius of #15 m#, how much force must be applied to the wheel to keep the object from falling?

1 Answer
Mar 31, 2017

Answer:

The force is #=167.25N#

Explanation:

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The load #=(8g)N#

Radius of axle #r=0.32m#

Radius of wheel #R=0.15m#

Taking moments about the center of the axle

#F*0.15=8*g*0.32#

#F=(8*g*0.32)/0.15=167.25N#