1- The amplitude of an undamped system subject to an initial displacement 0 and initial velocity x, is given by -- (a) ±₂. (b) żow₂. (c) . (d) x。 2- The completum phase angle of an undamped system subject to an initial displacement x, and initial velocity 0 is given by (a) x, (b) 2x. (c) 0. (d) 3- When an initial excitation exerted on a vibrational system results in (a) natural frequency, (b) resonance, (c) beating. (d) none of these. - appearance.

1- The amplitude of an undamped system subject to an initial displacement 0 and initial velocity x, is given by -- (a) ±₂. (b) żow₂. (c) . (d) x。 2- The completum phase angle of an undamped system subject to an initial displacement x, and initial velocity 0 is given by (a) x, (b) 2x. (c) 0. (d) 3- When an initial excitation exerted on a vibrational system results in (a) natural frequency, (b) resonance, (c) beating. (d) none of these. - appearance.

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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Concept explainers

Forced undamped vibrations

In mechanical engineering, vibration is expressed as the term that occurs due to an object's backward and forward movement about a point of equilibrium. Generally, there are three types of vibrations which are,

Question

1- The amplitude of an undamped system subject to an initial displacement 0 and initial
velocity x, is given by --- (a) ż₁. (b) x₂. (c), (d) x,
2- The completum phase angle of an undamped system subject to an initial displacement
x, and initial velocity 0 is given by (a) x, (b) 2x. (c) 0, (d)
3- When an initial excitation exerted on a vibrational system results in
(a) natural frequency. (b) resonance, (c) beating. (d) none of these.
4- Undamped vibration is characterized by no loss of
(c) mass, (d) energy.
5- Vibratory system should at least consists of a spring and
(c) mass and damper.
appearance.
(a) speed. (b) acceleration.
(a) mass. (b) damper.

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