A 3 lb motor is rigidly mounted in the middle of a 17.6 lb, 72 inch long beam, as shown in the figure below. The beam is made of a solid piece of aluminum with E 10(10) ksi and area moment of inertia, I = 0.625 in. The mot or is running at 1650 RPM and due to rotor problems generates a harmonic force with an amplitude of 6 lbs on the beam. Assume a 10% damping ratio.

A 3 lb motor is rigidly mounted in the middle of a 17.6 lb, 72 inch long beam, as shown in the figure below. The beam is made of a solid piece of aluminum with E 10(10) ksi and area moment of inertia, I = 0.625 in. The mot or is running at 1650 RPM and due to rotor problems generates a harmonic force with an amplitude of 6 lbs on the beam. Assume a 10% damping ratio.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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