An object with a mass of 4 kg is hanging from an axle with a radius of 16 cm. If the wheel attached to the axle has a radius of 24 cm, how much work would it take to turn the wheel 6 cm?

1 Answer
Apr 24, 2017

The work is =1.57J

Explanation:

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The load L=(4g)N#

Radius of axle r=0.16m

Radius of wheel R=0.24m

Taking moments about the center of the axle

F*R=L*r

F*0.24=4*g*0.16

F=(4*g*0.16)/0.2426.13N

Distance is d=0.06m

Work is W=Fd=26.13*0.06=1.57J