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Wiggles, vibrations, and oscillations are an inseparable part of nature. A vibrating object is repeating its motion over and over again, often in a periodic manner. Given a disturbance from its usual resting or equilibrium position, an object begins to oscillate back and forth.
A vibration is a periodic back and forth motion that remains fixed in one location. Examples of vibrations include a swing moving back and forth (like a pendulum) or a mass bobbing up and down on a spring.
Up to now in the course considerable emphasis has been placed on finding equations of motion of mechanical systems. The study of vibration will emphasize the analysis of the solution of the equations of motion of a particularly important class of dynamics problems: the vibration of machines.
the oscillating, reciprocating, or other periodic motion of a rigid or elastic body or medium forced from a position or state of equilibrium. the analogous motion of the particles of a mass of air or the like, whose state of equilibrium has been disturbed, as in transmitting sound.
Course Description. Vibrations and waves are everywhere. If you take any system and disturb it from a stable equilibrium, the resultant motion will be waves and vibrations. Think of a guitar string—pluck the string, and it vibrates. The sound waves generated make their way to our ears, and we hear the string’s sound. Our eyes see what’s … Show more
May 24, 2020 · Vibrations are mechanical oscillations. They can be described by frequency, amplitude, phase and shape. There are several ways to describe amplitude, and these different terms cannot be used interchangeably.
So you can want it, it can be desirable, and you cannot want it. And you need to know ways of getting rid of it. And so we're going to talk about vibration, about making vibration, about suppressing vibration, about isolating sensitive instruments from the vibration of the floor, things like that.
