Q 34. A steel bar of 40 mm 40 mm square cross-section is subjected to an axial compressive load of 200 kN. If the length of the bar is 2m and E = 200 GPa, the elongation of the bar will be:
(A) 1.25 mm
(B) 2.70 mm
(C) 4.05 mm
(D) 5.40 mm
Answer: (A)
Explanation: