Oh, sorry, I should have been more clear. The "crank" is a circular pulley sort of crank that winds up a rope with a bucket attached to the end.
Does this affect your answer?
Homework Statement
You are pulling water with a constant velocity from a well using a crank of length L. If the length of the crank was doubled, you could ...
Homework Equations
Work = Torque*angular distance
Torque = I*angular acceleration
Torque=F*d*sin(angle)
It looks like the...