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1. |
Elongation of a bar due to its self-weight is computed by ______, where L- length of the bar, E-Young’s modulus of elasticity and W - total weight the bar material. |
A. | WL2/2AE |
B. | WL/4AE |
C. | WL/2AE |
D. | WL/8AE |
Answer» D. WL/8AE | |