A steel bar 5 m × 50 mm is loaded with 250,000 N. If the modulus of elasticity

Question

A steel bar 5 m × 50 mm is loaded with 250,000 N. If the modulus of elasticity of the material is 0.2 MN/mm² and Poisson’s ratio is 0.25, the change in the volume of the bar is:

Options:

A . 1.125 cm³

B . 2.125 cm³

C . 3.125 cm³

D . 4.125 cm²

Answer: Option C

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