The rigid bar ABCD of negligible weight is initially horizontal, and the steel rods attached at A and C are stress-free. The 40-kip load is then applied and the temperature of the steel rods is...

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The rigid bar ABCD of negligible weight is initially<br>horizontal, and the steel rods attached at A and C are<br>stress-free. The 40-kip load is then applied and the<br>temperature of the steel rods is changed by AT. Find AT<br>for which the stresses in the two steel rods will be equal.<br>Use a = 6.5 x 10-6/°F and E = 29 x 106 psi for steel.<br>A = 0.75 in.?<br>3 ft<br>B<br>C<br>40 kips<br>- 4 ft<br>2 ft -→-- 2 ft -→|<br>4 ft<br>A = 1 in.?<br>

Extracted text: The rigid bar ABCD of negligible weight is initially horizontal, and the steel rods attached at A and C are stress-free. The 40-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 = 6.5 x 10-6/°F and E = 29 x 106 psi for steel. A = 0.75 in.? 3 ft B C 40 kips - 4 ft 2 ft -→-- 2 ft -→| 4 ft A = 1 in.?

Jun 11, 2022
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