A 45-kg motor is bolted to a light horizontal beam which has a static deflection of 6
Question:
A 45-kg motor is bolted to a light horizontal beam which has a static deflection of 6 mm due to the weight of the motor. The unbalance of the motor is equivalent to a mass of 110 g located 75 mm from the axis of rotation. Knowing that the amplitude of the vibration of the motor is 0.25 mm at a speed of 300 rpm, determine
(a) The damping factor c/cc,
(b) The coefficient of damping c.
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Wf m 110g r75mm Wit PmMYw From Eq 1953 xm co g 8 st 300 7 30 P Pm k E 1635 s2 k ...View the full answer
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Related Book For 
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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