The signpost consists of a straight upright pole of length 4 m and weight given as wp = 100 N/m and a rectangular 4 mx 1 m billboard with weight given by wb = 500 N/m. Neglect the horizontal distance between the pole and the billboard and identify the position of the center of gravity Cg of the combined pole and billboard, by finding the distances dh and d. dv I dh Cg