The man has a mass of 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 u) = 0.4 and between his backside and the rock, = 0.3, determine the smallest horizontal force his body must exert on the rock in order to do this.
The man has a mass of 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 u) = 0.4 and between his backside and the rock, = 0.3, determine the smallest horizontal force his body must exert on the rock in order to do this.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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4-79. The man has a mass of 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 u) = 0.4 and between his backside and the rock, = 0.3, determine the smallest horizontal force his body must exert on the rock in order to do this.
Transcribed Image Text:4-79. The man has a mass of 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
= 0.4 and between his backside and the rock,
= 0.3, determine the smallest horizontal force his
body must exert on the rock in order to do this.
0.2 m
-1.25 m
Prob. 4-79
561N
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