The man has a mass, m = 40 kg. He plans to scale the vertical crevice using the method shown. If the coefficient of static friction between his shoes and the rock is μs = 0.4 and between his backside and the rock is μ = 0.3, determine the smallest horizontal force his body must exert on the rocks in order to do this.
The man has a mass, m = 40 kg. He plans to scale the vertical crevice using the method shown. If the coefficient of static friction between his shoes and the rock is μs = 0.4 and between his backside and the rock is μ = 0.3, determine the smallest horizontal force his body must exert on the rocks in order to do this.
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 7.55P: A wedge is used to prop up the 6000-lb block of marble. The wedge angle is =30, and the angle of...
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