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9. In the pulley system shown, all the pulleys are massless and frictionless and the rope is of negligible mass. Aristotle wanted to raise the 262-newton weight to a height of 3.00 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? 262 N

9. In the pulley system shown, all the pulleys are massless and frictionless and the rope is of negligible mass. Aristotle wanted to raise the 262-newton weight to a height of 3.00 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? 262 N

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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9. In the pulley system shown, all the pulleys are massless and frictionless and the rope is of negligible mass, Aristotle wanted to raise the 262-newton weight to a height of 3.00 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? 262 N
Transcribed Image Text:9. In the pulley system shown, all the pulleys are massless and frictionless and the rope is of negligible mass, Aristotle wanted to raise the 262-newton weight to a height of 3.00 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? 262 N
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