An object with a mass of 6 kg6kg is hanging from an axle with a radius of 5 m5m. 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
Jul 7, 2017

The force is =98N=98N

Explanation:

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The load L=(6g)NL=(6g)N

Radius of axle r=5mr=5m

Radius of wheel R=3mR=3m

Taking moments about the center of the axle

F*R=L*rFR=Lr

F*3=6*g*5F3=6g5

F=(6*g*5)/3=98NF=6g53=98N

The force is F=98NF=98N