PEARSON ETEXT ENGINEERING MECH & STATS
15th Edition
ISBN: 9780137514724
Author: HIBBELER
Publisher: PEARSON
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Question
Chapter 8, Problem 51P
To determine
The minimum force P needed to move the post.
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4. The three bars have a weight of WA =
20 lb, WB = 40 lb, and We = 60 lb,
respectively. If the coefficients of static
friction at the surfaces of contact are as
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CCB=0.5
BR 0.3
AHAD 0.2
D
P
If the beam AD is loaded as shown, determine the horizontal force P which must be applied to the wedge in order to remove it from under the beam. The coefficients of static friction at the wedge's top and bottom surfaces are μCA= 0.30 and μCB= 0.40, respectively. Neglect the weight and size of the wedge and the thickness of the beam.
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Given:
8 = 60 mm
HsA = 0.5
HAB =
= 0.4
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k = 300
e = 30 deg
B
Chapter 8 Solutions
PEARSON ETEXT ENGINEERING MECH & STATS
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