Question: A steel bar ( 1 ) / ( 2 ) inch in diameter and 1 ft long is pulled in tension in a tensile testing

A steel bar (1)/(2) inch in diameter and 1 ft long is pulled in tension in a tensile testing
machine. How much work is required to produce a strain 0.1%? The modulus of
elasticity of steel is 30 X 106 lbf/in2.

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