EP ENGR.MECH.-MOD.MASTERING ACCESS
15th Edition
ISBN: 9780134867267
Author: HIBBELER
Publisher: PEARSON CO
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Chapter 8, Problem 19P
The spool of wire having a weight of 300 Ib rests on the ground at B and against the wall at A. Determine the normal force acting on the spool at A if P=300 Ib. The coefficient of static between the spool and the ground at B is, μs = 0.35. The wall at A is smooth.
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The spring has a stiffness of 830 N/m and is undisturbed and measures 400 mm. Determine the forces on the BC and BD cables when the spring is stretched in the position shown in the figure.
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(1)
Problem 3: µs = 0.60 between wedges B and C and us = 0.40 between the surfaces B & A and C & D.
If the spring is compressed 200 mm in the position shown, find the smallest force P required to move the wedge.
Neglect the weight of the wedges.
A
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B
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Chapter 8 Solutions
EP ENGR.MECH.-MOD.MASTERING ACCESS
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