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Sol Cap 02 - Edicion 8

COSMOS: Complete Online

COSMOS: Complete Online Solutions Manual Organization System j component: 4 28 56 − TAB − TAC − TAD + P = 0 5 37 65 4 28 56⎛65 7 ⎞ − TAB − TAC − ⎜ ⋅ TAC + P = 0 5 37 65⎝ ⎟ 11 37 ⎠ 4 700 − TAB − TAC + P = 0 (2) 5 407 k component: 21 33 TAC − TAD = 0 37 65 or T AD ⎛65⎞⎛ 7 ⎞ = ⎜ T ⎝ ⎟⎜ ⎟ 11⎠⎝37⎠ AC (3) From Equation (1): ⎛20⎞ 259 N = ⎜ TAC ⎝ ⎟ 37 ⎠ or T AC = 479.15 N 4 700 − 259 N − 479.15 N + P = 0 5 407 From Equation (2): ( ) ( ) ∴ P =1031 N ! 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.

COSMOS: Complete Online Solutions Manual Organization System Chapter 2, Solution 104. See Problem 2.103 for the analysis leading to the linear algebraic Equations (1), (2), and (3) T AB 20 = TAC (1) 37 4 700 − TAB − TAC + P = 0 (2) 5 407 T AD ⎛65 ⎞⎛ 7 ⎞ = ⎜ T 11 ⎟⎜ 37 ⎟ ⎝ ⎠⎝ ⎠ AC (3) Substituting for T = 444 N into Equation (1) AC 20 444 N 37 240 N Gives T = ( ) And from Equation (3) or AB T AB = 4 700 − ( 240 N) − ( 444 N) + P = 0 5 407 ∴ P = 956 N ! 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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