A knight is riding across a 12.0 m uniform drawbridge as shown in the figure. The right end of the bridge is held up by a cable and the left end is supported by a hinge. The mass of the rider and horse is 355 kg and the mass of the bridge is 493 kg. Determine the forces on the bridge from the cable and the hinge when the knight and horse are 4.5 m from the left end of the bridge.