An object with a mass of #2 kg# is hanging from an axle with a radius of #2 cm#. If the wheel attached to the axle has a radius of #16 cm#, how much work would it take to turn the wheel a length equal to the circumference of the axle?

1 Answer
Feb 25, 2017

Answer:

The work done is #=2.46J#

Explanation:

Mass #=2kg#

Radius of axle #=0.02m#

Radius of wheel #=0.16m#

Cicumference of axle #=2pir=2*0.02*pi=0.126m#

Work done #=mgh=2*9.8*0.126=2.46J#