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Vibration refers to mechanical oscillations about an equilibrium point. The oscillations may be periodicsuch as the motion of a pendulum or random such as the movement of a tire on a gravel road.

Vibration is occasionally "desirable". For example the motion of a tuning fork, the reed in a woodwind instrument or harmonica, or the cone of a loudspeaker is desirable vibration, necessary for the correct functioning of the various devices.

More often, vibration is undesirable, wasting energy and creating unwanted sound - noise. For example, the vibrational motions of engines, electric motors, or any mechanical device in operation are typically unwanted. Such vibrations can be caused by imbalances in the rotating parts, uneven friction, the meshing of gear teeth, etc. Careful designs usually minimize unwanted vibrations.

The study of sound and vibration are closely related. Sound, or "pressure waves", are generated by vibrating structures (e.g. vocal cords); these pressure waves can also induce the vibration of structures (e.g. ear drum). Hence, when trying to reduce noise it is often a problem in trying to reduce vibration.

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Related Questions

When referring to vibration the period is?

The time required for a single vibration (back and forth motion).


What is the number of vibration that occur in a second time interval?

frequency


What is vibrating?

Vibrating is a feeling of rapid movement. Vibration can occur during earthquakes, tsunamis.


Is there vibration in an ice cube?

No, ice cubes are solid and do not vibrate on their own. Vibration requires movement of particles, which does not occur in a stationary ice cube.


What happens when a vibration interacts with matter?

When a vibration interacts with matter, it can induce various effects depending on the nature of the vibration and the properties of the material. If the frequency of the vibration matches the natural frequency of the material, resonance can occur, leading to amplification of the vibration. If the vibration is of sufficient intensity, it can cause the material to deform, break, or generate heat. Additionally, vibrations can also induce changes in the electrical and magnetic properties of the material.


In which part of truck the free vibration occur?

This question is missing a massive amount of background info required to answer.


The is the time it takes for one full vibration of a particle in a medium.?

Vibrations are oscillations that occur about an equilibrium point. The "period" is the time it takes for one full vibration of a particle in a medium.


What kind of motion is vibration?

Vibration is a type of oscillating motion where an object moves back and forth rapidly around a central point. It involves the repetitive motion of an object or a system around an equilibrium position. Vibration can occur in various forms such as linear, rotational, or torsional.


Is it true or false a node is a point on a wave where there is no vibration?

True. In a wave, a node is a point that remains at zero displacement, meaning that there is no vibration occurring at that specific location. Nodes occur at regular intervals along a wave.


Why the strings of lower tones are thicker or heavier?

So, the sound can be lower. It has to be like that because it has to create more vibration waves. The thicker/heavier the strings are, the more vibration waves occur, which makes the tone lower.


What could cause a vibration in front end of a 95 b2500 5.2l w positraction while driving the vibration does not occur all the time but it is starting to happen more frequently?

It lones to move very jittery and uncontrolably.


What is hering's vibration?

Hering's vibration refers to an optical illusion characterized by the apparent movement or shimmering of fine lines or textures when viewed. It is thought to be caused by the eye's lateral inhibition processes and can occur when looking at repetitive patterns or gratings.