9 REDUCTION OF A SIMPLE DISTRIBUTED LOADING 189 4-141. The column is used to support the floor which exerts a force of 3000 lb on the top of the column. The effect of soil pressure along its side is distributed as shown. Replace this loading by an equivalent resultant force and specify where it acts along the column, measured from its base A. 3000 lb 9 ft 80 lb/ft 200 lb/ft Prob. 4-141 4-142. Replace the loading by an equivalent resultant force and specify its location on the beam, measured from point B. -12 ft- 800 lb/ft B 9 ft 500 lb/ft Prob. 4-142 4-143. The masonry support creates the loading distribution acting on the end of the beam. Simplify this load to a single resultant force and specify its location measured from point O. 0.3 m 4