Mechanics of Materials (MindTap Course List)
9th Edition
ISBN: 9781337093347
Author: Barry J. Goodno, James M. Gere
Publisher: Cengage Learning
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Textbook Question
Chapter 2, Problem 2.7.6P
The truss ABC shown in the Figure is subjected to a horizontal load P at joint B. The two bars are identical with cross-sectional area A and modulus of elasticity E.
(a) Determine the strain energy U of the truss if the angle ß = 60°.
(b) Determine the horizontal displacement dBof joint B by equating the strain energy of the truss to the work done by the load.
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The truss ABC shown in the figure is subjectedto a horizontal load P at joint B. The twobars are identical with cross-sectional area A andmodulus of elasticity E.(a) Determine the strain energy U of the truss if theangle β = 60°.(b) Determine the horizontal displacement δβ ofjoint B by equating the strain energy of the trussto the work done by the load.
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Chapter 2 Solutions
Mechanics of Materials (MindTap Course List)
Ch. 2 - A 10-ft rigid bar AB is supported with a vertical...Ch. 2 - Rigid bar ABC is supported with a pin at A and an...Ch. 2 - The L-shaped arm ABCD shown in the figure lies in...Ch. 2 - A steel cable with a nominal diameter of 25 mm...Ch. 2 - A steel wire- and an aluminum allay wire have...Ch. 2 - By what distance h does the cage shown in the...Ch. 2 - Rigid bar ACB is supported by an elastic circular...Ch. 2 - A plastic cylinder is held snugly between a rigid...Ch. 2 - A safety valve on the top of a tank containing...Ch. 2 - The device shown in the figure consists of a...
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