A tensile force of 400 kN is applied to a uniform segment of an ASTM-A36 structural steel bar. The cross section is a 50 mm × 50 mm square, and the length of the segment being tested is 200 mm. Using A36 steel data from Table F.2, (a) determine the change in the cross-sectional dimension of the bar, and (b) determne the change in volume of the 200 mm segment being tested.

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