An object with a mass of #8 kg# is hanging from an axle with a radius of #15 m#. If the wheel attached to the axle has a radius of #95 m#, how much force must be applied to the wheel to keep the object from falling?

1 Answer
May 18, 2017

Answer:

The force is #=12.38N#

Explanation:

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The load L=(8g)N#

Radius of axle #r=15m#

Radius of wheel #R=95m#

Taking moments about the center of the axle

#F*R=L*r#

#F*95=8*g*15#

#F=(120*g)/95=12.38N#