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topicsforexam1_from2006c_as_is

topicsforexam1_from2006c_as_is - 1 2 3 4 Topics to be...

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Topics to be covered in Exam 1: 1. Truss Construction and Analysis a. What is a truss? b. What is the basic unit of a 3-D truss? c. What is a stable truss? d. Why do some trusses collapse even if there is no load? e. How do you stabilize a truss? f. How are trusses restrained? g. Why should they be properly constrained? h. Can they calculate the internal forces in a member of a truss? i. Can they calculate the load that a truss will carry and use a safety factor to determine the safe load for a truss? j. How many links are needed to create a stable truss? k. How to build a stable planar 3-D truss? 2. Free Body diagram construction Procedure a. What is a FBD? b. How does one isolate a Body? c. What are the forces that need to be shown? d. Can they depict the direction of reaction forces? e. Can they identify known and unknown force quantities? 3. Summing Forces: Procedure for using geometry to calculate force resultants and sums a. Do they know how to represent magnitudes and directions of forces b.
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