A steel bar having a square cross section (50 mm ( 50 mm 50 mm = 50 mm) and length L = 2.0 m is compressed by axial loads that have a resultant P = 60 kN acting at the midpoint of one side of the cross section (see figure).
Assuming that the modulus of elasticity E is equal to 210 GPa and that the ends of the bar are pinned, calculate the maximum deflection d and the maximum bending moment Mmax.

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P=60 kN 50 mm 50mm