A steel bar of 20 mm × 20 mm square cross-section is subjected to an – McqOptions

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1.	A steel bar of 20 mm × 20 mm square cross-section is subjected to an axial compressive load of 200 kN. If the length of the bar is 1 m and E = 100 GPa, the elongation of the bar will be
A.	0.2 mm
B.	5 mm
C.	2.5 mm
D.	0.5 m
Answer» C. 2.5 mm

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