| 2. A steel rod with a cross sectional area of 0.5 in2 is stretched between two rigid walls.
The temperature coefficient of strain is 6.5x10-6 in/in./°F and E is 30x106
psi. If the
tensile load is 2000 lb. at 80°F, find the tensile load at 0°F. |
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d = NL/EA + aDTLo