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2) A steel rod with a cross-sectional area of 0.25 sq. in. is stretched between two...

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Physics

2) A steel rod with a cross-sectional area of 0.25 sq. in. isstretched between two fixed points. The tensile load at 70 degreesF is 1200 lb. What will be the stress at 0 degrees F? At whattemperature will the stress be zero?

Assume ? = 6.5 x 10-6 °F-1 and E = 30 x106 psi.

Answer & Explanation Solved by verified expert
4.5 Ratings (654 Votes)
Initial stress in rod tensile load area 4800 psiWith decrease in tempreture natural length of rod    See Answer
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