Question

If a bar of sections of two different length and different diameters are in a line and P load is acting axially on them then what will be the change in length of the bar?

a.

P/E x (L₁ + L₂)

b.

P/E x (A₁/L₁ + A₂/ L₂)

c.

P/E x (L₁/A₁ + L₂/A₂)

d.

E/P x (L₁/A₁ + L₂/A₂)

Posted under Mechanics of Materials

Answer: (c).P/E x (L₁/A₁ + L₂/A₂)

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Q. If a bar of sections of two different length and different diameters are in a line and P load is acting axially on them then what will be the change in length of the bar?

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