An electric motor is supported on spring and dashpot. The spring has the stiffness 500 N/m and dashpot offers resistance of 400 N at 4.0 m/s. The unbalanced mass, 0.5kg rotates at 4 cm radius and the total mass of vibratory is 15 kg. If the motor runs at 500 rpm; i. ii. iii. iv. V. Develop the free body diagram (FBD) and general equation of motion of the system, Calculate the damping ratio, Compute the amplitude of vibration and phase angle, Determine the resonance speed and resonance amplitude, and Determine the force exerted by the spring and displacement on motor.

An electric motor is supported on spring and dashpot. The spring has the stiffness 500 N/m and dashpot offers resistance of 400 N at 4.0 m/s. The unbalanced mass, 0.5kg rotates at 4 cm radius and the total mass of vibratory is 15 kg. If the motor runs at 500 rpm; i. ii. iii. iv. V. Develop the free body diagram (FBD) and general equation of motion of the system, Calculate the damping ratio, Compute the amplitude of vibration and phase angle, Determine the resonance speed and resonance amplitude, and Determine the force exerted by the spring and displacement on motor.

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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An electric motor is supported on spring and dashpot. The spring has the stiffness 500 N/m
and dashpot offers resistance of 400 N at 4.0 m/s. The unbalanced mass, 0.5kg rotates at 4
cm radius and the total mass of vibratory is 15 kg. If the motor runs at 500 rpm;
i.
ii.
iii.
iv.
V.
Develop the free body diagram (FBD) and general equation of motion of the
system,
Calculate the damping ratio,
Compute the amplitude of vibration and phase angle,
Determine the resonance speed and resonance amplitude, and
Determine the force exerted by the spring and displacement on motor.

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