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COSMOS: Complete Online <strong>Sol</strong>utions Manual Organization System<br />
Chapter 2, <strong>Sol</strong>ution 33.<br />
From the solution to Problem 2.24:<br />
( 48.0 lb) ( 90.0 lb)<br />
F OA =− i + j<br />
( 112.0 lb) ( 180.0 lb)<br />
F OB = i + j<br />
OC =−<br />
( 320 lb) − ( 240 lb)<br />
F i j<br />
( 256lb) ( 30lb)<br />
R =Σ F =− i + j<br />
( 256lb) ( 30lb)<br />
R = − +<br />
= 257.75 lb<br />
2 2<br />
tan<br />
30 lb<br />
256 lb<br />
α = −<br />
α =− 6.6839°<br />
R = 258 lb 6.68° !<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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