Extracted text: Problem 3 A couple of magnitude M = 54 lb-in, and the three forces shown are applied to an angle bracket. (a) Find the resultant of this system of forces. (b) Locate the points where the line of action of the resultant intersects line AB and line BC. Provide explanation if result becomes unreasonable. = 13 lbs; F2 38 lbs; F3 = 38 lbs F1 F2 12 in. 60 8 Im. F3