Q.2) The system is held in static equilibrium in the position shown when an 18 lb lamp is supported by cord DF. a) Determine the unstretched length of spring DE. b) Determine the tension (force magnitude) in each of the supporting cables (CA, CB, CD, and DF). A B 45° 6 ft D 8 ft k = 20 lb/ft wwwww E

Q.2) The system is held in static equilibrium in the position shown when an 18 lb lamp is supported by cord DF. a) Determine the unstretched length of spring DE. b) Determine the tension (force magnitude) in each of the supporting cables (CA, CB, CD, and DF). A B 45° 6 ft D 8 ft k = 20 lb/ft wwwww E