An arrangement of two pulleys, as shown in the figure, is used to lift a 84.8-kg crate a distance of 3.60 m above the starting point. Assume the pulleys and rope are ideal and that all rope sections are essentially vertical. P kg F where P = 84.8. What length of rope must be pulled to lift the crate 3.60 m?

An arrangement of two pulleys, as shown in the figure, is used to lift a 84.8-kg crate a distance of 3.60 m above the starting point. Assume the pulleys and rope are ideal and that all rope sections are essentially vertical. P kg F where P = 84.8. What length of rope must be pulled to lift the crate 3.60 m?

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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