If a bar of two different length are in a line and P load is acting axially on t

Question

If a bar of two different length are in a line and P load is acting axially on them then what will be the change in length of the bar if the radius of both different lengths is same?

Options:

A . P/E x (L₁ + L₂)

B . PA/E x (L₁ + L₂)

C . P/EA x (L₁ + L₂)

D . E/PA x (L₁ + L₂)

Answer: Option C
Answer: (c).P/EA x (L₁ + L₂)

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