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Unformatted text preview: Statics:The Next Generation Mehta & Danielson Lecture Notes for Sections 5.5 5.7 1 RIGID BODY EQUILIBRIUM IN 3D (Sections 5.5 5.7) Todays Objective : Students will be able to a) Identify support reactions in 3D and draw a free body diagram, and, b) apply the equations of equilibrium. InClass Activities : Check homework, if any Reading quiz Applications Support reactions in 3D Equations of equilibrium Concept quiz Group problem solving Attention quiz READING QUIZ 1. If a support prevents rotation of a body about an axis, then the support exerts a ________ on the body about that axis. A) couple moment B) force C) Both A and B. D) None of the above. 2. When doing a 3D problem analysis, you have ________ scalar equations of equilibrium. A) 2 B) 3 C) 4 D) 5 E) 6 Statics:The Next Generation Mehta & Danielson Lecture Notes for Sections 5.5 5.7 2 APPLICATIONS Ballandsocket joints and journal bearings are often used in mechanical systems. How can we determine the support reactions at these joints for a given loading? APPLICATIONS (continued) The weights of the fuselage and fuel act through A, B, and C. How will we determine the reactions at the wheels D, E and F ? A 50 lb sign is kept in equilibrium using two cables and a smooth collar. How can we determine the reactions at these supports? Statics:The Next Generation...
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This note was uploaded on 09/19/2009 for the course ME 241 taught by Professor Itani during the Spring '08 term at Nevada.
 Spring '08
 ITANI
 Statics

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