An object with a mass of 6 kg6kg is hanging from an axle with a radius of 54 m54m. If the wheel attached to the axle has a radius of 3 m3m, how much force must be applied to the wheel to keep the object from falling?

1 Answer
Feb 25, 2017

The force is =176.4N=176.4N

Explanation:

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The load is =6gN=6gN

The radius of axle is =54m=54m

The radius of wheel is =3m=3m

The effort is =Ekg=Ekg

Taking moments about the center of the axle

6g*54=E*36g54=E3

E=(54*6g)/3=108gNE=546g3=108gN

Force =108gN=176.4N