Answered: Five movable pulleys are arranged as in…

Five movable pulleys are arranged as in the first system of pulleys. If the efficiency of the system is 80%. Find the effort required to raise a load of 1000kg.

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter7: Dry Friction

Section: Chapter Questions

Problem 7.78P: The figure shows a steel bar being processed by a rolling mill. Given that P=80kN and r =0.016,...

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Question

Five movable pulleys are arranged as in the first system of pulleys. If the efficiency of the system is 80%.

Find the effort required to raise a load of 1000kg.

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