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3. The rigid bar ABCD of negligible weight is initially horizontal, and the steel rods attached at A and C are stress-free. The 20-kip load is then applied and the temperature of the steel rods is changed by AT. Use a = 6.5 x 10-4/°F and E = 29 x 104 psi for steel. Assume no buckling in the rods. Calculate the following: a. Change in temperature for which the stresses in the two steel rods are equal. A=0.5 in 3 ft | 20 kips 2f-- 2n- 4 ft 4 ft b. Deformation of the steel rod at B. A = 0.75 in.?

3. The rigid bar ABCD of negligible weight is initially horizontal, and the steel rods attached at A and C are stress-free. The 20-kip load is then applied and the temperature of the steel rods is changed by AT. Use a = 6.5 x 10-4/°F and E = 29 x 104 psi for steel. Assume no buckling in the rods. Calculate the following: a. Change in temperature for which the stresses in the two steel rods are equal. A=0.5 in 3 ft | 20 kips 2f-- 2n- 4 ft 4 ft b. Deformation of the steel rod at B. A = 0.75 in.?

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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3. The rigid bar ABCD of negligible weight is initially horizontal, and the steel rods attached at A and C are stress-free. The 20-kip load is then applied and the temperature of the steel rods is changed by AT. Use a = 6.5 x 10-4/°F and E = 29 x 104 psi for steel. Assume no buckling in the rods. Calculate the following: a. Change in temperature for which the stresses in the two steel rods are equal. A = 0.5 in. 3ft | 20 kips 4 ft 4 ft b. Deformation of the steel rod at B. A = 0.75 in.?
Transcribed Image Text:3. The rigid bar ABCD of negligible weight is initially horizontal, and the steel rods attached at A and C are stress-free. The 20-kip load is then applied and the temperature of the steel rods is changed by AT. Use a = 6.5 x 10-4/°F and E = 29 x 104 psi for steel. Assume no buckling in the rods. Calculate the following: a. Change in temperature for which the stresses in the two steel rods are equal. A = 0.5 in. 3ft | 20 kips 4 ft 4 ft b. Deformation of the steel rod at B. A = 0.75 in.?
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