Suppose a 900-kg car is on the bridge in Figure 9.34 with its center of mass halfway between the hinges and the cable attachments. (The bridge is supported by the cables and hinges only.) (a) Find the force in the cables. (b) Find the direction and magnitude of the force exerted by the hinges on the bridge.
Solution 13PE Step-by-step solution Step 1 of 8 (a) The free body diagram for the bridge when a car is at center of the bridge,