Distributed Loads and Hydrostatics Problem 10 through 13. For the beam and distributed loading shown in the following figures, determine the magnitude and location of the resultant force. Determine the reactions: 690 lb, 60 lb/ft, 40 lb/ft. Vertex Parabola 500 N/m D 200 N/m A B -5 ft 12 ft 10 ft 4 m 15 ft P.11 P.10