PS Topics for Exam1 - ENGR 111 Fall 2009

PS Topics for Exam1 - ENGR 111 Fall 2009 - ENGR 111 Problem...

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ENGR 111: Problem Solving Material to be covered in Exam 1: ENGR 111/112 Textbook: Chapters 2.1, 2.2, 3.1, 3.2, 3.4, 5.1, 5.2, 6.1. Presentations: TR1 – TR8 (weeks 1 – 5), “Two-force members.swf” (open with IE or any other browser). Topics to be covered in Exam 1: 1. 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 you depict the direction of reaction forces? e. Can you identify known and unknown force quantities? f. FBD “DOs and DON’Ts”. 2. Summing Forces: Procedure for using geometry to calculate force resultants and sums a. Do you know how to represent magnitudes and directions of forces? b. Given magnitudes and directions can you find the Cartesian components (component form)? Can you sum the Cartesian components? c. Polar vector representation. d. Standard Protocol for Finding Force Components. e. Given magnitudes and directions of individual forces can you find the resultant force (magnitude and direction)? Can you present the resultant in component form?
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