[Answer] Mechanical Waves

Answer: require a medium(examples: sound, water)
Mechanical Waves
Mechanical Waves This set of notes contains a review of wave motion in mechanics emphasizing the mathematical formulation that will be used in our discussion of electromagnetic waves. Mechanical Waves A mechanical system can transfer energy (and momentum) from one place to another in two ways.
Mechanical waves are produced when particles vibrate in a medium in which the wave propagates. As a result momentum and energy are exchanged among the particles and between the particles and the medium. Mechanical waves can propagate through solid liquid or gas.
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Summary. A mechanical wave is a disturbance in matter that transfers energy through the matter. The matter through which a mechanical wave travels is called the medium ( plural media). There are three types of mechanical waves: transverse longitudinal and surface waves.
A mechanical wave is a wave that is an oscillation of matter and therefore transfers energy through a medium. While waves can move over long distances the movement of the medium of transmission—the material—is limited. Therefore the oscillating material does not move far from its initial equilibrium position. Mechanical waves transport energy.
Two different motions to describe in a wave: – Motion of the wave’s energy – Motion of individual molecules of the wave Transverse waves → Two motions are perpendicular – Waves on a string water surface waves Longitudinal waves → Two motions are parallel – Sound waves Wave…

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