An object with a mass of #8 kg# is hanging from an axle with a radius of #27 cm#. If the wheel attached to the axle has a radius of #45 cm#, how much work would it take to turn the wheel a length equal to the circumference of the axle?
The work done is
Radius of axle
Radius of wheel
Taking moments about the center of the axle
Circumference of the axle,