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A solid plastic rod has a diameter of d = 22 mm and a length of L = 825 mm. An axial load of P = 22 kN is applied to the rod as shown.
The elastic modulus is E = 2.5 GPa and Poisson's ratio for this material is v = 0.39. Determine the magnitude of the change in the rod
diameter Ad for the given load.
L
Answer: Ad = i
mm

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