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1. |
Determine the magnitude and direction of F so that this force has components of 40 lb acting from A toward B and 60lb acting from A toward C on the frame. |
A. | F = 44.7 lb, = 22.9° |
B. | F = 80.3 lb, = 46.2° |
C. | F = 62.9 lb, = 37.1° |
D. | F = 72.1 lb, = 56.3° |
Answer» C. F = 62.9 lb, = 37.1¬∞ | |