835_Dynamics 11ed Manual

835_Dynamics 11ed Manual - Engineering Mechanics Dynamics...

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Engineering Mechanics - Dynamics Chapter 22 Given: M 10 kg = k 60 N m = x 1 50 mm = C 80 N s m = x 2 2mm = Solution: ω n k M = n 2.45 rad s = C c 2 M n = C c 48.99 N s m = Since C 80.00 N s m = > C c 48.99 N s m = the system is overdamped λ 1 C 2 M C 2 M 2 k M + = 2 C 2 M C 2 M 2 k M = t 0s = xx 1 = x' 0 m s = A 1 1m = A 2 = Given xA 1 e 1 t A 2 e 2 t + = x' A 1 1 e 1 t A 2 2 e 2 t + = A 1 A 2 Find A 1 A 2 , () = 1 2 0.84 7.16
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This note was uploaded on 08/16/2011 for the course EGN 3321 taught by Professor Christianfeldt during the Spring '08 term at University of Central Florida.

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