Solve the problem.Two forces, F1 and F2, of magnitude 60 and 70 pounds, respectively, act on an object. The direction of F1 is
and the direction of F2 is
. Find the magnitude and the direction angle of the resultant force. Express the direction angle to the nearest tenth of a degree.
A. = 92.20; ? = 80°
B. = 94.63; ? = 87.2°
C. = 92.20; ? = 89.4°
D. = 99.37; ? = 93.7°
Answer: D
Mathematics
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