3/73 The 50-lb rectangular access door is held in the 90° open position by the single prop CD. Determine the force F in the prop and the magnitude of the force normal to the hinge axis AB in each of the small hinges A and B.

6. All loads shown are unfactored. A2. A loaded steel stub beam W360 x 79, G40.21 350W, is a cantilever weklded to a steel column which is W610 x 140 (G40.21 350w). The stub beam is loaded at its end by a concentrated load of 100 kN. (a) Design the connection between the steel beam and the column; (b) Check the adequacy of the beam W360 x 79 to carry the load.

. Use the method of joints, determine the force in all the other members of the truss. State if the members are in tension or compression. Assume all members are pin-connected.

4-10. If Fg = 30 lb and Fc = 45 lb, determine the %3D resultant moment about the bolt located at A. 0.75 ft 2.5 ft 30° Fc 20° 25 FB A