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COSMOS: Complete Online <strong>Sol</strong>utions Manual Organization System<br />
Chapter 2, <strong>Sol</strong>ution 126.<br />
See Problem 2.125 for the analysis leading to the linear algebraic Equations ( 1 ′), ( 2 ′),<br />
and ( 3′ ) below:<br />
i component: 81T<br />
34T<br />
0<br />
− + = ( 1′ )<br />
AB<br />
j component: 72 T 122.4 T 37.4 T 153 W<br />
ADE<br />
+ + = ( 2′ )<br />
AB AC ADE<br />
k component: 108 T 91.8 T 17 T 0<br />
− + + = ( 3′ )<br />
AB AC ADE<br />
Setting T AB = 300 N and solving (1), (2), (3) simultaneously:<br />
(a)<br />
(b)<br />
(c)<br />
T = 221 N !<br />
AC<br />
T = 715 N !<br />
ADE<br />
W = 2060 N !<br />
Vector Mechanics for Engineers: Statics and Dynamics, 8/e, Ferdinand P. Beer, E. Russell Johnston, Jr.,<br />
Elliot R. Eisenberg, William E. Clausen, David Mazurek, Phillip J. Cornwell<br />
© 2007 The McGraw-Hill Companies.
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