### Determine the change in the bar thickness of axial load

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##### Reference no: EM13296417

At an axial load of 23 kN, a 40-mm-wide by 10-mm-thick polyimide polymer bar elongates 2.7 mm while the bar width contracts 0.17 mm. The bar is 240 mm long. At the 23-kN load, the stress in the polymer bar is less than its proportional limit.

Determine

(a) the modulus of elasticity.
(b) Poisson's ratio.
(c) the change in the bar thickness.

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