Prob. 8–85
Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)
5th Edition
ISBN:9781305084766
Author:Saeed Moaveni
Publisher:Saeed Moaveni
Chapter16: Engineering Drawings And Symbols
Section: Chapter Questions
Problem 22P
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A 180-lb farmer tries to restrain the cow from escaping by wrapping the rope two turns around the tree trunk as shown. If the cow exerts a force of 250 lb on the rope, determine if the farmer can successfully restrain the cow. The coefficient of static friction between the rope and the tree trunk is μs = 0.15,
and between the farmer’s shoes and the ground μ's = 0.3.
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