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A metal bar that is part of the frame is 50mm in diameter and 300 mm long. It has a tensile force acting on it

A metal bar that is part of the frame is 50mm in diameter and 300 mm long. It has a tensile force acting on it of 40kN which tends to stretch it. The modulus of elasticity is 205 GPa. Calculate the stress and strain in the bar and the amount it stretches.

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