homework 17

DCGN241 STATICSSpring 2011Note: Neglect the weight of the members

1) Draw the free body diagram of the shaft assembly which is Supported by two smooth journal bearings A and B and a short Link DC.

2) Draw the free body diagram of the uniform 10-Kg rod AB which is supported by a ball-and-socket joint at A and by cord CG that is attached to the midpoint G of the rod. The rod leans against a frictionless vertical wall at B.

3) Draw the free body diagram of the rigid L-shaped member ABC that is supported by a ball-and-socket joint at A and by three cables.

Homework 17

4) Draw the free body diagram of the two rectangular plates which are welded together to form the assembly shown. The assembly is supported by ball-and-socket joints at B and D and by a ball on a horizontal surface at C.

5) Draw the free body diagram of the rectangular plate which has a mass of 15 kg and is held in the position shown by hinges A and B and cable EF. Assuming that the hinge at B does not exert any axial thrust.