Lecture 09 - Lecture 09 * EQUILIBRIUM OF A RIGID BODY *...

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Statics: Lecture Notes for Sections 5.1,5.3 1 Lecture 09 * EQUILIBRIUM OF A RIGID BODY * FREE-BODY DIAGRAMS * EQUATIONS OF EQUILIBRIUM Section 5.1-5.3 Ehab Zalok EQUILIBRIUM OF A RIGID BODY & FREE-BODY DIAGRAMS Objectives : Students will be able to: a) Identify support reactions, and, b) Draw a free-body diagram. 2
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Statics: Lecture Notes for Sections 5.1,5.3 2 READING QUIZ 1. If a support prevents translation of a body, then the support exerts a ___________ on the body. 1) couple moment 2) forc 2) force 3) Both 1 and 2. 4) None of the above 2. Internal forces are _________ shown on the free body diagram of a whole body. 3 A) always B) often C) rarely D) never APPLICATIONS A 200 kg platform is suspended off an oil rig. 4 How do we determine the force reactions at the joints and the forces in the cables? How are the idealized model and the free body diagram used to do this?
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Statics: Lecture Notes for Sections 5.1,5.3 3 APPLICATIONS (continued) A steel beam is used to support roof joists. How can we determine the 5 How can we make use of an idealized model and a free body diagram to answer this question? CONDITIONS FOR RIGID-BODY EQUILIBRIUM
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This note was uploaded on 02/28/2011 for the course MATH 101 taught by Professor Duke during the Spring '11 term at University of Ottawa.

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Lecture 09 - Lecture 09 * EQUILIBRIUM OF A RIGID BODY *...

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