Homework Help: physics

Posted by Jen on Thursday, May 24, 2012 at 6:24pm.

if the pulleys are massless and frictionless and the rope is of negligible mass, and aristotle wanted to raise the 332 newton weight to a height of 6 meters.

A-find the magnitude of force F he needed to pull on the rope to move the weight upward with a constant velocity.

B-What was the mechanical advantage of the pulley system?

C-How far did he have to move his end of the rope?

D-how much work did he do?

E-how much work was done on the weight?

I know this is kind've a long one, ty

physics - Elena, Friday, May 25, 2012 at 1:25pm
What is the pulley system? Figure???

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