Question: 1 . When demonstrating with his truss model, how did the instructor stabilize the parallelogram? 2 . When discussing the Eifel Tower, what ( 3

1. When demonstrating with his truss model, how did the instructor stabilize the parallelogram?2. When discussing the Eifel Tower, what (3) characteristics of the truss does the instructor describe as having been appealing to the towers designer?3. When discussing the results of timber truss design during the empirical stage (during antiquity) what characteristic was typical of truss members? 4. What invention prompted a change in this regard in trusses design?5. In the Method of Joints, in order to conclude that all of the truss members are in either compression or tension, where is the truss assumed to be loaded?6. How are a truss' web members loaded?7. In the warehouse truss that the instructor analyzes, which profile did the engineer select for the diagonal members that are in compression?8. How were the connections made in early trusses?9. What improvement replaced this method?10. Nearly all trusses are made of wood or metal. Why are trusses generally not made of stone or concrete?

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