Q.12 An aluminium bar (E = 70 GPa, μ = 0.33) of diameter 20 mm is stretched by an axial force Pcausing its diameter to decrease by 0.02 mm. The value of P is approximately(a) 67 kN(c) 87 kN(b) 77 kN(d) 97 kN143CAMERO

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Answered: Q.12 An aluminium bar (E 70 GPa, μ =…

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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Q.12 An aluminium bar (E 70 GPa, μ = 0.33) of diameter 20 mm is stretched by an axial force P causing its diameter to decrease by 0.02 mm. The value of P is approximately (a) 67 kN (c) 87 kN (b) 77 kN (d) 97 kN