An object with a mass of #6 kg# is hanging from an axle with a radius of #54 m#. If the wheel attached to the axle has a radius of #3 m#, how much force must be applied to the wheel to keep the object from falling?

1 Answer
Feb 25, 2017

Answer:

The force is #=176.4N#

Explanation:

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The load is #=6gN#

The radius of axle is #=54m#

The radius of wheel is #=3m#

The effort is #=Ekg#

Taking moments about the center of the axle

#6g*54=E*3#

#E=(54*6g)/3=108gN#

Force =108gN=176.4N