B. L = 10' A P- 400 lb 77 A uniform bar AB, 10ft long and weighing 2801lb, is hinged at B and rests upon a 400lb block at A as shown. If the coefficient of friction is 0.40 at all contact surfaces, find the horizontal force P required to start moving the 400 lb block.
B. L = 10' A P- 400 lb 77 A uniform bar AB, 10ft long and weighing 2801lb, is hinged at B and rests upon a 400lb block at A as shown. If the coefficient of friction is 0.40 at all contact surfaces, find the horizontal force P required to start moving the 400 lb block.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
Transcribed Image Text:B.
L = 10'
A
P-
400 lb
77
A uniform bar AB, 10ft long and weighing 2801lb, is
hinged at B and rests upon a 400lb block at A as
shown. If the coefficient of friction is 0.40 at all
contact surfaces, find the horizontal force P
required to start moving the 400 lb block.
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