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1. |
The maximum shear force required to cause the fracture on any metal surface is empirically defined as _____________ |
A. | (Where σu – ultimate tensile strength of the metal, h-sheet thickness, L- total length of the sheared edge) |
B. | σuhL |
C. | 0.5σuhL |
D. | 0.7σuhL |
E. | σuh/L |
Answer» D. | |