Quantity
Quantity is a property that can exist as a multitude or magnitude, which illustrate the concept of measurement. Quantities can be compared in terms of "more", "less", or "equal", or by assigning a numerical value in terms of a unit of measurement.
Types of Quantity[edit | edit source]
Quantities are categorized into two types: physical quantities and abstract quantities.
Physical Quantity[edit | edit source]
A physical quantity is a physical property of a phenomenon, body, or substance, that can be quantified by measurement. It is an attribute of matter, energy, space, or time that is quantifiable.
Abstract Quantity[edit | edit source]
An abstract quantity is a quantity which can only be understood in terms of its relationship with other quantities. It is a mathematical concept that does not require a physical body for its existence.
Units of Quantity[edit | edit source]
Quantities are expressed in terms of units. These units can be classified into two types: base units and derived units.
Base Units[edit | edit source]
A base unit is a defined unit in a system of measurement that is based on an object or event in the physical world.
Derived Units[edit | edit source]
A derived unit is a unit that is defined by using base units.
See Also[edit | edit source]
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Contributors: Prab R. Tumpati, MD