A steel bar of 40mm x 40mm square cross-section is subjected to an axial compressive load of 200kN. If the length of the bar is 2m and E=200GPa, the elongation of the bar well b?

A steel bar of 40mm x 40mm square cross-section is subjected to an axi

1.	A steel bar of 40mm x 40mm square cross-section is subjected to an axial compressive load of 200kN. If the length of the bar is 2m and E=200GPa, the elongation of the bar well b?
A.	1.25mm
B.	2.70mm
C.	4.05mm
D.	5.40mm
Answer» B. 2.70mm

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A steel bar of 40mm x 40mm square cross-section is subjected to an axial compressive load of 200kN. If the length of the bar is 2m and E=200GPa, the elongation of the bar well b?

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