A machine of mass 150 kg supported on springs of equivalent stiffness 1000 kN/m has a rotating unbalance force of 6000 N at a speed of 2000 rpm If the damping ratio is 0.2, determine (a) the amplitude caused by the unbalance and its phase angle, (b) the transmissibility ratio and (c) the actual force transmitted.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A machine of mass 150 kg supported on springs of equivalent stiffness
1000 kN/m has a rotating unbalance force of 6000 N at a speed of 2000 rpm If
the damping ratio is 0.2, determine
(a) the amplitude caused by the unbalance and its phase angle,
(b) the transmissibility ratio and
(c) the actual force transmitted.
Transcribed Image Text:A machine of mass 150 kg supported on springs of equivalent stiffness 1000 kN/m has a rotating unbalance force of 6000 N at a speed of 2000 rpm If the damping ratio is 0.2, determine (a) the amplitude caused by the unbalance and its phase angle, (b) the transmissibility ratio and (c) the actual force transmitted.
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