exam2learningobj

exam2learningobj - ME 270 LEARNING OBJECTIVES OF EXAM 2...

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LEARNING OBJECTIVES OF EXAM 2 Topic Area 1: Trusses 1. Free body diagrams (overall, joints, and sections) 2. Newton’s Third Law 3. Method of joints 4. Method of sections 5. Zero-force members (be able to demonstrate this mathematically) 6. Tension or compression 7. Know assumptions Note : Make a plan before starting to solve Solve for support reactions first (when necessary/possible) Initially assume all members are in tension Negative solutions compression Carry negative signs throughout calculations Make sure you know how to solve trusses both by Methods of Joints and Methods of Sections. Remember that some problems may require the use of more than one joint one more than one section. Also, some problems may be most easily solved using a combination of both the Methods of Sections and Method of Joints. Draw a separate overall Free Body Diagram (separate from the artwork). Label different FBDs (FBD #1, FBD #2, etc.) and refer
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exam2learningobj - ME 270 LEARNING OBJECTIVES OF EXAM 2...

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