PPT Slide
PROBLEM E2.6. The mechanism to hold a 50 lb sign is shown. The mechanism is supported by cables assembled at points B and D, and by a smooth round collar at A. The sign is free to rotate about axis BD only. The center of gravity for the sign is located at G.
1) Draw the free body diagram for the mechanism (do not solve the problem).
2) Indicate number of unknows.
3) Is this problem statically determined ?