At the proportional limit, a 49 mm wide by 13 mm thick bar elongates 2.7 mm under an axial load of 23.7 kN. The bar is 1.7 m long. If Poisson's ratio is 0.34 for the material, determine: (a) the modulus of elasticity. (b) the proportional limit. (c) the change in each lateral dimension. Answers: (a) The modulus of elasticity E- (b) The proportional limit OPL-i (c) The change in width= The change in thickness - i mm. mm. GPa. MPa
At the proportional limit, a 49 mm wide by 13 mm thick bar elongates 2.7 mm under an axial load of 23.7 kN. The bar is 1.7 m long. If Poisson's ratio is 0.34 for the material, determine: (a) the modulus of elasticity. (b) the proportional limit. (c) the change in each lateral dimension. Answers: (a) The modulus of elasticity E- (b) The proportional limit OPL-i (c) The change in width= The change in thickness - i mm. mm. GPa. MPa
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Transcribed Image Text:At the proportional limit, a 49 mm wide by 13 mm thick bar elongates 2.7 mm under an axial load of 23.7 kN. The bar is 1.7 m long. If
Poisson's ratio is 0.34 for the material, determine:
(a) the modulus of elasticity.
(b) the proportional limit.
(c) the change in each lateral dimension.
Answers:
(a) The modulus of elasticity E=
(b) The proportional limit OPL= i
(c)
The change in width = i
The change in thickness=
Mi
IN
mm.
mm.
GPa.
MPa
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