Lecture_5-2D_Equilibrium-2.ppt

Lecture_5-2D_Equilibrium-2.ppt - Equilibrium of a Particle...

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Unformatted text preview: Equilibrium of a Particle Lecture 5-Coplanar Force System (Sections 3.1-3.3) PROBLEMS FOR RECITATION SESSION RECITATION PROBLEM (RC-1)-1 The cords BCA and CD can each support a maximum load of 100 lb. Determine the maximum weight of the crate and the angle at equilibrium. RECITATION PROBLEM (RC-1)-1 Draw FBD at C: X Y F CD C F CA =T F CB = T 13 5 12 CB and CA are the same cord: Solution RC-1 (continued) X Y F CD C F CA =T F CB = T 13 5 12 Equilibrium of horizontal forces: cos 5 13 13 5 cos = = - = CD CD x F T T F F Equilibrium of vertical forces: sin 25 13 sin 13 13 12 13 12 sin = = + =- - = CD CD CD y F T F T T T F F Solution RC-1 (continued) ( 29 = = = = =- 69 .....
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Lecture_5-2D_Equilibrium-2.ppt - Equilibrium of a Particle...

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