For 13 to 15. The compound bar carries the axial forces P and 2P. The working stresses are 40 ksi for steel and 20 ksi for aluminum, and the total elongation of the bar is not to exceed 0.2 in. 3 ft Aluminum A = 0.6 in.² E = 10 x 106 psi 4 ft Steel A=0.4 in.² E = 29 × 106 psi 2P 13. What is the maximum allowable value for P? 14. Give the elongation of the steel section provided that the maximum allowable P is applied. 15. Give the elongation of the aluminum section provided that the maximum allowable P is applied.
For 13 to 15. The compound bar carries the axial forces P and 2P. The working stresses are 40 ksi for steel and 20 ksi for aluminum, and the total elongation of the bar is not to exceed 0.2 in. 3 ft Aluminum A = 0.6 in.² E = 10 x 106 psi 4 ft Steel A=0.4 in.² E = 29 × 106 psi 2P 13. What is the maximum allowable value for P? 14. Give the elongation of the steel section provided that the maximum allowable P is applied. 15. Give the elongation of the aluminum section provided that the maximum allowable P is applied.
Mechanics of Materials (MindTap Course List)
9th Edition
ISBN:9781337093347
Author:Barry J. Goodno, James M. Gere
Publisher:Barry J. Goodno, James M. Gere
Chapter11: Columns
Section: Chapter Questions
Problem 11.9.28P
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![For 13 to 15. The compound bar carries the axial forces P and 2P. The working stresses are 40 ksi for steel and 20 ksi for
aluminum, and the total elongation of the bar is not to exceed 0.2 in.
3 ft
4 ft
2P
Steel
Aluminum
A = 0.6 in.²
A=0.4 in.2
E = 29 × 106 psi
E = 10 x 106 psi
13. What is the maximum allowable value for P?
14. Give the elongation of the steel section provided that the maximum allowable P is applied.
15. Give the elongation of the aluminum section provided that the maximum allowable P is applied.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F269272ab-db66-4de8-8b7b-41da3bd4d425%2Ff52b7e71-1833-4615-bdde-352da62f2eec%2Faszihtk_processed.jpeg&w=3840&q=75)
Transcribed Image Text:For 13 to 15. The compound bar carries the axial forces P and 2P. The working stresses are 40 ksi for steel and 20 ksi for
aluminum, and the total elongation of the bar is not to exceed 0.2 in.
3 ft
4 ft
2P
Steel
Aluminum
A = 0.6 in.²
A=0.4 in.2
E = 29 × 106 psi
E = 10 x 106 psi
13. What is the maximum allowable value for P?
14. Give the elongation of the steel section provided that the maximum allowable P is applied.
15. Give the elongation of the aluminum section provided that the maximum allowable P is applied.
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