Mechanics of Materials (10th Edition)
10th Edition
ISBN: 9780134319650
Author: Russell C. Hibbeler
Publisher: PEARSON
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Chapter 3.4, Problem 3.17P
The rigid beam is supported by a pin at C and an A992 steel guy wire AB of length 6 ft. If the wire has a diameter of 0.2 in., determine how much it stretches when a distributed load of w = 200 lb/ft acts on the beam. The wire remains elastic.
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The pole is supported by a pin at B and A-36 steel guy wire AC. If the wire has a diameter of
0.2. Modulus of Elasticity of Steel = 200GPA or 29x103 ksi Poisson's ratio of steel=0.321
a. Determine how much the wire stretches when the horizontal force acts on the pole.
3 ft
30
D 2.5 kip
4 ft
B
b. Determine the change in the wire's radius
c. At what angle is the principal stresses on pole BC? Use Mohr's Circle.
d. What is the principal stress in pol BC? Use Mohr's Circle
e. Draw the stresses on a unit element acting on 35-degree clockwise direction of pole BC. Use
Mohr's Circle.
f. What are the principal stresses in point D? Use Mohr's Circle. (answer in ksi)
g. At what angle is the principal stresses acting on point D? Use Mohr 's Circle.
h. Draw the stresses on a unit element acting on 35degree-clockwise direction of point D. Use Mohr's
Circle. (answer in ksi)
The rigid beam is supported by a pin at C and an A992 steel guy wire AB of length 6 ft. If the wire has a diameter of 0.2 in., determine how much it stretches when a distributed load of w = 200 lb>ft acts on the beam. The wire remains elastic.
The rigid beam is supported by a pin at C and an A-36 steel guy wire AB. If the wire has a diameter of 0.2 in., determine the distributed load w if the end B is displaced 0.75 in. downward.
Chapter 3 Solutions
Mechanics of Materials (10th Edition)
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