VELOCITY Meaning and
Definition
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Velocity is a fundamental concept in physics that refers to the rate at which an object changes its position in a particular direction. It is a vector quantity since it involves both magnitude and direction. In simpler terms, velocity indicates how fast and in which direction an object is moving.
Mathematically, velocity is calculated by dividing the change in displacement of an object by the time interval over which this change occurs. The standard unit of velocity is meters per second (m/s) in the International System of Units (SI). However, other units like miles per hour (mph) or kilometers per hour (km/h) are also commonly used.
Velocity encompasses two essential components: speed and direction. While speed solely represents the magnitude of the motion, velocity adds the crucial element of direction. Therefore, an object moving at a constant speed in a straight line will have a constant velocity, but any change in speed or direction will result in a change in velocity.
It is important to emphasize that velocity is distinct from speed, which only represents the magnitude of motion without any consideration of the direction. Velocity takes into account the displacement of an object, indicating both how far it has moved and the direction in which it is moving.
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Quickness of motion; rapidity; rate of motion-applied to the air or bodies moving in it.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
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Etymology of VELOCITY
The word velocity originated from the Latin word velocitas, which means swiftness or speed. It is derived from the Latin adjective velox, meaning swift, rapid, or quick.
Similar spelling words for VELOCITY
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