Extracted text: C6-72 An extension ladder is being raised into position by a hydraulic cylinder as shown in Fig. P6-72. If the lad- der has a mass of 500 kg and center of gravity at G, Plot A, the magnitude of the reaction force on the pin at A, as a function of e (10° s es 90°). G. 5m Im B 1.5 m 2 m