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1. |
For maximum vertical stress, the shear stress is _________ if the load is 20 kN and r=2m. |
A. | 0.4356 kN/m² |
B. | 0.244 kN/m² |
C. | 0.1518 kN/m² |
D. | 0.3625 kN/m² |
Answer» E. | |