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                             MECHANICAL WAVES

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                             MECHANICAL WAVES

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A mechanical wave is a wave that is not able to pass through a vacuum, but instead needs a medium. The wave bounces off from particle to another, using the particles as means for transportation. Transfer of energy, not matter, occurs here.

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- sound waves
- slinky waves
- water waves
- stadium waves
- jump rope waves
- seismic waves

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Physics - Mechanics: Mechanical Waves (1 of 21) Basics

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BASICS OF TRANSVERSE AND LONGITUDINAL WAVES

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BASICS OF TRANSVERSE AND LONGITUDINAL WAVES

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Waves can be caterogized by the direction that's it's disturbance is traveling.

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Transverse waves is when the disturbance is perpendicular to the direction of the wave. For example, the wave would move up and down; so the disturbance moves left and right. Transverse waves can not occur in gasses or liquids because there has to be a mechanism to power the driving motion of the perpendicular disturbance of the wave. The position of maximum positive displacement is the crest while the position of maximum displacement is the trough.

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Waves that do need a medium to travel, they can travel through vacuums. They can polarized and are generally transverse. They exhibit momentum.

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-electromagnetic waves
-polarized waves

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In longitudinal waves the displacement of the medium is parallel to the propagation of the wave.

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A two-dimensional wave. It exhibits the process of polarization, can also be linear. Polarized waves can also be circular and elliptical. By moving your hand in in different motions you can achieve different types of polarized waves because of its two-dimensionality.