A loading crane is attached to the outside wall of a warehouse and comprises two steel beams AB and BC as shown in Fig. P.2.4. The beams are pinned at B and attached to the warehouse wall via hinges...

A loading crane is attached to the outside wall of a warehouse and comprises two steel beams AB and BC as shown in Fig. P.2.4. The beams are pinned at B and attached to the warehouse wall via hinges in brackets at A and C. If the crane carries a load of 10 kN, calculate the forces in the beams AB and BC. Verify your answer using a graphical method.