An object with a mass of #15 kg# is hanging from an axle with a radius of #24 m#. If the wheel attached to the axle has a radius of #39 m#, how much force must be applied to the wheel to keep the object from falling?

1 Answer
May 6, 2017

Answer:

The force is #=90.5N#

Explanation:

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The load L=(15g)N#

Radius of axle #r=24m#

Radius of wheel #R=39m#

Taking moments about the center of the axle

#F*R=L*r#

#F*39=15*g*24#

#F=(15*g*24)/39=90.5N#