An object with a mass of #4 kg# is hanging from an axle with a radius of #5 m#. If the wheel attached to the axle has a radius of #35 m#, how much force must be applied to the wheel to keep the object from falling?

1 Answer
Jun 23, 2017

Answer:

The force is #=5.6N#

Explanation:

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The load #L=(4g)N#

Radius of axle #r=5m#

Radius of wheel #R=35m#

Taking moments about the center of the axle

#F*R=L*r#

#F*35=4*g*5#

#F=(4*g*5)/35=5.6N#

The force is #F=5.6N#