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1. |
Total elongation produced in a bar due to its self weight is given by……….. Where ρ is the density of material in kg/m3 |
A. | 9.81ρl2/e |
B. | 9.81ρl2/2e |
C. | 9.81ρl/e |
D. | 9.81ρ2l/2e |
Answer» C. 9.81ρl/e | |