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The normal stress in the bar is _____ MPa A tensile test is conducted on a bar whose cross-section is 12mm thick by 100mm wide.

The normal stress in the bar is _____ MPa

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A tensile test is conducted on a bar whose cross-section is 12mm thick by 100mm wide. An axial tensile load of 135 RM produces a deformation of 0.15 5mm over the length of 300mm and a decrease of 0.001 95mm in the 12mm thickness of the bar. Assume that the material behaves elastically

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