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An electric motor of total weight W 3330 lb is mounted on a simple supported beam with overhang as shown in Fig. P3.10. The unbalance of the rotor is W'e 50 Ib-in. (a) Find the amplitudes of forced vertical

 

 

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An electric motor of total weight W 3330 lb is mounted on a simple supported beam with overhang as shown in Fig. P3.10. The unbalance of the rotor is W'e 50 Ib-in. (a) Find the amplitudes of forced vertical vibration of the motor for speeds 800, 1000, and 1200 rpm. (b) Draw a rough plot of the amplitude versus rpm. Assume damping equal to 10% of critical damping. !! El 30 10 b n 2.6 25- Flg. P3.10

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Introduction to Electrodynamics

Introduction to Electrodynamics

ISBN: 978-8120316010

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Authors: David J. Griffiths

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