An axial pull of 20 kN on a bar of two equal lengths of 20cm as shown with their

Question

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 ?

Options:

A . 0.200mm

B . 0.345mm

C . 0.509mm

D . 0.486mm

Answer: Option C
Answer: (c).0.509mm

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