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A square bar of a length Im and cross sectional area 400 mm, is subjected to a tensile load of 10 KN. If the

A square bar of a length Im and cross sectional area 400 mm, is subjected to a tensile load of 10 KN. If the modulus of elasticity of the bar material (E) is 200 GN/m. Determine the change in the length of the bar?

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