*248. Three forces act on the bracket. Determine the magnitude and direction 0 of F1 so that the resultant force is directed along the positive x' axis and has a magnitude of 800 N. 2-49. If F1 = = 300 N and 0 = 10 determine the magnitude of the resultant force and its direction measured counterclockwise from the positive x' axis. Problems 2-48/49 y F2 = 200 N F3 = 180 N 5 12 13 60 F X x