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1. |
Determine the direction (0° 180°) of the 30-lb force F so that the moment of F about point A has the maximum magnitude. |
A. | = 36.9° |
B. | = 53.1° |
C. | = 127.0° |
D. | = 90.0° |
Answer» B. = 53.1¬∞ | |