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chapter 3-2

chapter 3-2 - EQUILIBRIUM OF A PARTICLE IN 3-D Today's...

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Lecture Notes for Sections 3.1-3.3 1 EQUILIBRIUM OF A PARTICLE IN 3-D Today’s Objectives : Students will be able to : a) Draw a free body diagram (FBD), and, b) Apply equations of equilibrium to solve a 3-D problem. In-Class Activities : Reading quiz Applications FBD in 3-D Set each force in Cartesian form Equations of equilibrium Concept quiz 3-D Example Problem Group problem solving Attention quiz READING QUIZ 1) When a particle is in equilibrium, the sum of forces acting on it equals ___ . (Choose the most appropriate answer) A) a constant B) a positive number C) zero D) a negative number E) an integer. 2) For 3-D equilibrium problems it is highly recommended that the forces are expressed in Cartesian form. A) True B) False

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