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?

If a bar of sections of two different length and different diameters

1.	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)
Answer» D. E/P x (L1/A1 + L2/A2)

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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?

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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