COSMOS Chapter 6 Solution 55 - Edubirdie

University:
Michigan State University
Course:
ERG 160 | Success in Science, Technology, Engineering, and Mathematics
Academic year:

2021
Views:

145

Pages:

1
Author:

Nicole Wang

COSMOS: Complete Online Solutions Manual Organization System Chapter 6, Solution 55. FBD Truss: ΣFx = 0: A x = 0 By symmetry: A y = v y = 4.5 kips FBD Joint K: ΣFx = 0: ΣFy = 0: 1 ( FIK − FKN ) = 0 2  1  FIK  − 1 kip = 0 2  2  so FIK = FKN FIK = 2 kip 2 FIK = 0.707 kip C ! FBD Section ABEIJ: ΣFy = 0: ΣM I = 0: 4.5 kips − 1 kip − 2 (1.5 kips ) − 1 2 3 FJL = 0, kips + 2 2 2 ( 3 ft )(1.5 kips ) + ( 6 ft )(1 kip − 4.5 kips ) + 3 ( 3 ft ) ( FJM ) = 0 2 FJM = FJL = 0 ! 11 kips 3 FJM = 6.35 kips T ! Vector Mechanics for Engineers: Statics and Dynamics, 8/e, Ferdinand P. Beer, E. Russell Johnston, Jr., Elliot R. Eisenberg, William E. Clausen, David Mazurek, Phillip J. Cornwell © 2007 The McGraw-Hill Companies.

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