1.

The elongation (mm) in a steel bar having a square cross section of dimension 40 mm x 40 mm is 2.5 mm and is subjected to an axial compressive load of P (kN). If the length of the bar is 4 m and modulus of elasticity is E = 250 GPa. What is the value of P (kN)?

A. 100
B. 150
C. 200
D. 250
Answer» E.


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