Assignment:
A knight in armour on a horse leaves the castle. His squire has mistakenly lowered the drawbridge 20 degrees below the horizontal. The knight and his horse stop when their combined center of mass are 1 metre from the end of the bridge. The uniform bridge is 8 metres long and has a mass of 2000 kg. The lift cable is attached to the bridge 5 metres from the hinge on the castle end, and to a point on the castle wall that is 12 metres above the bridge. The combined mass of the knight, his horse and their armour is 1000kg.
- Determine a) the tension on the cable, and b) the horizontal and vertical force components acting on the bridge at the hinge.