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A metal bar with a rectangular cross - section 0 . 0 2 m x 0 . 0 4 m and a gauge length of

A metal bar with a rectangular cross-section 0.02 m x 0.04 m and a gauge length of 0.40 m is subjected to
a centric tensile load of 400 kN. After the load is applied, the 0.02 m dimension changed to 0.01998 m
and the 0.40 m gauge length changed to 0.402 m. If the behavior of the material is assumed to be within
the proportionality range between stress and strain, determine:
a) Poissons ratio for this material;
b) the final value of the 0.04 m dimension;
c) the average normal stress in the bar;
d) the maximum shear stress in the bar;
e) the modulus of elasticity of the metal. What engineering material could it be?A metal bar with a rectangular cross-section 0.02mx0.04m and a gauge length of 0.40m is subjected to
a centric tensile load of 400kN. After the load is applied, the 0.02m dimension changed to 0.01998m
and the 0.40m gauge length changed to 0.402m. If the behavior of the material is assumed to be within
the proportionality range between stress and strain, determine:
a) Poisson's ratio for this material;
b) the final value of the 0.04m dimension;
c) the average normal stress in the bar;
d) the maximum shear stress in the bar;
e) the modulus of elasticity of the metal. What engineering material could it be?
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