Determine the magnitude of force P such that the resultant couple moment of the two couples acting on the beam is 755 lb·ftclockwise and force Q is 148 lb. Round off only on the final answer expressed in 3 decimal places and indicate units.
Extracted text: - 4 ft +5 ft ++ -7 ft P P 5, 4 D E 3 A 4 0.5 ft B.