Question: In the standard tensile test, a 20mm diameter test plastic rod was subjected to a tensile force of P=8 kN. There is 14mm elongation in

150 mm >T 20 mm

In the standard tensile test, a 20mm diameter test plastic rod was subjected to a tensile force of P=8 kN.

There is 14mm elongation in 150mm gauge length of the bar and 0.85mm decrease in diameter. of the material;

a) Find the modulus of elasticity (E).
b) Find the Poisson's ratio (v).
 

150 mm >T 20 mm

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