Physical quantity

Quantitative characterization of an aspect of a physical entity, phenomenon, event, process, transformation, relation, system, or substance

Nº Q107715 ★★★★

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Physical quantity

Quantitative characterization of an aspect of a physical entity, phenomenon, event, process, transformation, relation, system, or substance

A physical quantity (or simply quantity) is a property of a material or system that can be quantified by measurement. A physical quantity can be expressed as a value, which is a pair of a numerical value and a unit of measurement.

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From Wikipedia

A physical quantity (or simply quantity) is a property of a material or system that can be quantified by measurement. A physical quantity can be expressed as a value, which is a pair of a numerical value and a unit of measurement. For example, the physical quantity mass, symbol m, can be quantified as m=n kg, where n is the numerical value and kg is the unit symbol (for kilogram). Vector quantities have, besides numerical value and unit, direction or orientation in space.

Text: Wikipédia, CC BY-SA 4.0. · Image: user:Moosh (CC BY-SA 2.5) ·

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