Q.12 An aluminium bar (E = 70 GPa, µμ = 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 (b) 77 kN (c) 87 kN (d) 97 kN
Q.12 An aluminium bar (E = 70 GPa, µμ = 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 (b) 77 kN (c) 87 kN (d) 97 kN
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Find P
Transcribed Image Text: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
143
CAMERO
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