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

2023
Views:

253

Pages:

1
Author:

teespagmaxrtf

COSMOS: Complete Online Solutions Manual Organization System Chapter 6, Solution 76. \ FBD member AE: Ax = 120 lb ΣFx = 0: − Ax + 120 lb = 0, on ABCD ΣM A = 0: A x = 120.0 lb ! (8 in.)( C ) − ( 2 in.)(120 lb ) = 0 C = 30 lb ΣFy = 0: 30 lb − Ay = 0, Ay = 30 lb A y = 30.0 lb ! on ABCD FBD member ABCD: ΣFx = 0: 120 lb − Bx = 0, ΣM B = 0: B x = 120.0 lb ! ( 6 in.) D − ( 4 in.)( 30 lb ) − ( 4 in.)( 30 lb ) − ( 2 in.)(120 lb ) = 0 D = 80.0 lb ! ΣFy = 0: 30 lb − By − 30 lb + 80 lb = 0 B y = 80.0 lb ! 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.