teel bar of 40 mm x 40 mm square cross section is subjected to an axial compressive load of 200 kN. If the length of the bar is 2 m and E = 200 GPa, the contraction of the bar will be, (a) 1.25 mm, (b) 2.70 mm (c) 4.05 mm
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A steel bar of 40 mm x 40 mm square cross section is subjected to an axial compressive load of 200 kN. If the length of the bar is 2 m and E = 200 GPa, the contraction of the bar will be,
(a) 1.25 mm,
(b) 2.70 mm
(c) 4.05 mm
(d) 5 40 mm
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