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engineering mechanics force vectors
1. If = 20° and = 35°, determine the magnitudes of F1 and F2 so that the resultant force has a magnitude of 20 lb and is directed along the positive x axis.
(A): F1 = 14.00 lb, F2 = 8.35 lb
(B): F1 = 20.0 lb, F2 = 22.9 lb
(C): F1 = 25.6 lb, F2 = 26.6 lb
(D): F1 = 28.5 lb, F2 = 11.91 lb
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