Determine the friction force between the block and the surface after P was gradually increased from 0 to 200 N. In which phase will the block be classified (Phase 1 -no motion, Phase 2 -impending motion, or Phase 3-in motion)?

Principles of Foundation Engineering (MindTap Course List)
8th Edition
ISBN:9781305081550
Author:Braja M. Das
Publisher:Braja M. Das
Chapter13: Retaining Walls
Section: Chapter Questions
Problem 13.1P
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static of rigid bodies
Determine the friction force between
the block and the surface after P was
gradually increased from 0 to 200 N.
In which phase will the block be
classified (Phase 1 -no motion, Phase
2 -impending motion, or Phase 3 -in
motion)?
P
W = 200 N
=
Ms
0.3
Mk = 0.2
5
F = 60 N, Phase #3
F = 60 N, Phase #2
OF = 50 N, Phase #2
= 50 N, Phase #3
Transcribed Image Text:Determine the friction force between the block and the surface after P was gradually increased from 0 to 200 N. In which phase will the block be classified (Phase 1 -no motion, Phase 2 -impending motion, or Phase 3 -in motion)? P W = 200 N = Ms 0.3 Mk = 0.2 5 F = 60 N, Phase #3 F = 60 N, Phase #2 OF = 50 N, Phase #2 = 50 N, Phase #3
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