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1) A 20-mm-diameter steel (E = 200 GPa, v = 0.28) tension rod is 2 meter long and carries a load of 4500 N.

1) A 20-mm-diameter steel (E = 200 GPa, v = 0.28) tension rod is 2 meter long and carries a load of 4500 N. a. Calculate tensile stress (MPa) b. Calculate tensile strain c. Change in length of the rod (mm) d. Decrease in diameter of the rod (mm) (positive number)

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