Question: 1 2 . A 2 0 mm diameter rod made of experimental plastic is subjected to a tensile force of magnitude P = 6 kN

12. A 20 mm diameter rod made of experimental plastic is subjected to a tensile force of magnitude P =6 kN. A bar 150 mm long shows an elongation of 14 mm in length and a reduction of 0.85 mm in diameter. Determine the modulus of elasticity, modulus of rigidity and Poisson's ratio of the material.

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