A 27-kg disk is attached with an eccentricity e = 150m to the midpoint of a vertical

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A 27-kg disk is attached with an eccentricity e = 150μm to the midpoint of a vertical shaft AB which revolves at a constant angular velocity ωf. Knowing that the spring constant k for horizontal movement of the disk is 580kN/m, determine

(a) The angular velocity ωf at which resonance will occur,

(b) The deflection r of the shaft when ωf = 1200 rpm.

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Vector Mechanics for Engineers Statics and Dynamics

ISBN: 978-0073212227

8th Edition

Authors: Ferdinand Beer, E. Russell Johnston, Jr., Elliot Eisenberg, William Clausen, David Mazurek, Phillip Cornwell

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