Question: Problem 1 . A steel rod is stretched between two rigid walls and carries a tensile load of 7 0 0 0 N . at

Problem 1.
A steel rod is stretched between two rigid walls and carries a tensile
load of 7000 N . at 20C. If the allowable stress is not to exceed 150
MNm2 at -20C, what is the minimum diameter of the rod? Assume
=11.7ummC and E=200GPa.
Problem 1 . A steel rod is stretched between two

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