An axial pull of 20 kN on a bar of two equal lengths of 20cm as shown – McqOptions

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1.	An axial pull of 20 kN on a bar of two equal lengths of 20cm as shown with their respective dimensions. What will be the total extension of the bar if the young’s modulus = 2×105?
A.	0.200mm
B.	0.345mm
C.	0.509mm
D.	0.486mm
Answer» D. 0.486mm

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