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An axial tensile load of 50 kN is applied to a bar with a circular cross-section of 50 mm diameter. Find the axial stress

An axial tensile load of 50 kN is applied to a bar with a circular cross-section of 50 mm diameter. Find the axial stress in the bar. What is the strain if the original length is 1 m and the extension is 0.123 mm? Find also the Young's Modulus for the material. (25.48 N/mm, 123 , 207 x10 N/mm)

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