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Unformatted text preview: y T A x A y F BE C y C x W C y C x F BE F BE F BE • Second, disassemble and solve for internal forces F BE is a two force member ME221 Lecture 33 7 Notes on Previous Problem • Without recognizing BE is a two force member the problem, is not tractable. • MUST draw a FBD for entire structure and each disassembled part • Each FBD may have three unknown forces which are found from Σ F x = 0; Σ F y = 0; Σ M z = 0 ME221 Lecture 33 8 General Procedure • Draw FBD for entire structure and solve for reaction forces: Σ F x = 0; Σ F y = 0; Σ M z = 0 • Disassemble into component parts – Recognize two force members – Draw FBD and solve for reaction forces  using Σ F x = 0; Σ F y = 0; Σ M z = 0 ME221 Lecture 33 9 Example Problem...
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This note was uploaded on 07/25/2008 for the course ME 221 taught by Professor Buch during the Summer '08 term at Michigan State University.
 Summer '08
 Buch
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