ch3_1_student_notes_Fall2010

ch3_1_student_notes_Fall2010 - EQUILIBRIUM OF A PARTICLE IN...

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EQUILIBRIUM OF A PARTICLE IN 2-D Today’s Objectives : a) Draw a free body diagram (FBD), and, b) Apply equations of equilibrium to solve a 2-D problem. In-Class Activities : Applications What, why and how of a FBD Equations of equilibrium Analysis of spring and pulleys Examples Questions
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APPLICATIONS For a spool of given weight, what are the forces in cables AB and AC ?
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APPLICATIONS (continued) For a given cable strength, what is the maximum weight that can be lifted ?
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For a given weight of the lights, what are the forces in the cables? What size of cable must you use ? APPLICATIONS (continued)
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EQUILIBRIUM OF PARTICLE IN 2-D (Section 3.3) This is an example of a 2-D or coplanar force system. If the whole assembly is in equilibrium, then particle A is also in equilibrium. To determine the tensions in the cables for a given weight of the engine, we need to learn how to draw a free body diagram and apply equations of equilibrium.
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THE WHAT, WHY AND HOW OF A FREE BODY DIAGRAM (FBD)
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ch3_1_student_notes_Fall2010 - EQUILIBRIUM OF A PARTICLE IN...

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