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April 18, 2014

Homework Help: mechanics of materials

Posted by dmkp on Friday, February 22, 2013 at 3:59pm.

A mild steel bar of width 10mm is subjected to a tensile stress of 3,0x105 Pa. Given that Young’s modulus for mild steel is 200 GPa and Poisson’s ration for mild steel is 0.31, calculate the change in width of the bar. Is the width increased or reduced?

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