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At the limit of proportionality, a bar 30 mm wide (w) and 12 mm thick (t) elongates 2.0 mm under an axial load of 41.5 kN. The bar is 1.5 m long. If the Poisson's coefficient of the material is 0.33, determine: (a) the modulus of elasticity. E = ? (b) the variation in width. dw = ? (c) variation in thickness. dt = ?

At the limit of proportionality, a bar 30 mm wide (w) and 12 mm thick (t) elongates 2.0 mm under an axial load of 41.5 kN. The bar is 1.5 m long. If the Poisson's coefficient of the material is 0.33, determine: (a) the modulus of elasticity. E = ? (b) the variation in width. dw = ? (c) variation in thickness. dt = ?

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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At the limit of proportionality, a bar 30 mm wide (w) and 12 mm thick (t) elongates 2.0 mm under an axial load of 41.5 kN. The bar is 1.5 m long. If the Poisson's coefficient of the material is 0.33, determine:

(a) the modulus of elasticity. E = ?

(b) the variation in width. dw = ?

(c) variation in thickness. dt = ?

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