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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