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Unformatted text preview: discussed that we look at this problem because (a) in some cases, you have rotating
machinery or single frequency radio waves, so you want ot know how a mechanical or
electrical system responds at particular frequencies, and (b) a general force as sketched
above) can be considered as a sum of cos(wtd) terms. If you know the response at each
of these frequencies you can find the response to the genral loading by superposition. 1 .5 displacement, m 1.0 0.5 0.0 0.5 0 2 4 6 time, s 8 10 0 .1 5 displacement, m 0.10 0.05 0.00 0.05 0.10 0.15 0 1 2 3 time, s 4 5 6 ...
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This note was uploaded on 12/09/2011 for the course MATH 2930 at Cornell University (Engineering School).
 '07
 TERRELL,R

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