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M: +1.00/-0.33

A mild steel bar, 1.5 m long, has a square section 40 mm × 40 mm. The bar is subjected to a two-dimensional stress,  (tensile) and  (compressive).
 Poisson’s ratio  The elongation of the bar is the direction of  will be

[ESE (IES) CE 2016 P1]
A
B
C
D