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2. 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. Find AT for which the stresses in the two steel rods will be equal. Use a=6.5x10ʻ/°F and E=29x10“. A-05 in 3n 20 kips 28 A-0.75 in.

2. 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. Find AT for which the stresses in the two steel rods will be equal. Use a=6.5x10ʻ/°F and E=29x10“. A-05 in 3n 20 kips 28 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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2. 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. Find AT for which the stresses in the two steel rods will be equal. Use a=6.5x10ʻ/°F and E=29x10°. A-0.5 in. 3 ft 20 kips 4ft 4 ft + 2 t 2 ft A=0.75 in.
Transcribed Image Text:2. 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. Find AT for which the stresses in the two steel rods will be equal. Use a=6.5x10ʻ/°F and E=29x10°. A-0.5 in. 3 ft 20 kips 4ft 4 ft + 2 t 2 ft A=0.75 in.
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