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COSMOS: Complete Online <strong>Sol</strong>utions Manual Organization System<br />
Chapter 2, <strong>Sol</strong>ution 79.<br />
(a) ( )<br />
F = − 220 N cos60° cos35°<br />
x<br />
= − 90.107 N<br />
F =−90.1 N <br />
x<br />
( )<br />
F = 220 N sin 60°<br />
y<br />
= 190.526 N<br />
F y = 190.5 N <br />
( )<br />
F = − 220 N cos60° sin 35°<br />
z<br />
= − 63.093 N<br />
F =−63.1 N <br />
z<br />
(b)<br />
cos<br />
θ x<br />
=<br />
− 90.<br />
107 Ν<br />
220 N<br />
θ = 114.2° <br />
x<br />
190.526 N<br />
cosθ y =<br />
220 N<br />
θ = 30.0° <br />
y<br />
cos<br />
θ z<br />
=<br />
−63.093 N<br />
220 N<br />
θ = 106.7° <br />
z<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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