Question

Difference between physical quantity and fundamental quantity

Answer 1

Explanation:

The Fundamental Quantity is independent Physical Quantity that is not possible to express in other Physical Quanitity. It is used as pillars for other quantities aka Derived Quantities. In Physics, Length, Mass, Time, Electric Current, Thermodynamic Temperature, etc are examples of Fundamental Quantities.

Answer 2

Answer:

PHYSICAL QUANTITY

• A physical quantity is a property of a material or system that can be quantified by measurement. A physical quantity can be expressed as the combination of a numerical value and a unit.
• A scalar is a physical quantity that has magnitude but no direction. Symbols for physical quantities are usually chosen to be a single letter of the Latin or Greek alphabet, and are printed in italic type.
• Vectors are physical quantities that possess both magnitude and direction. Symbols for physical quantities that are vectors are in bold type, underlined or with an arrow above. For example, if u is the speed of a particle, then the straightforward notations for its velocity are u, u.

FUNDAMENTAL QUANTITY

• In physics, there are seven fundamental physical quantities that are measured in base or physical fundamental units: length, mass, time, electric current temperature, amount of substance, and luminous intensity. All other units are made by mathematically combining the fundamental units.
• There are 7 fundamental physical quantities:
• Length(meter)
• Mass(kilogram)
• Time(second)
• Amount of substance (mole)
• Electric current(Ampere)
• Temperature(kelvin)
• Luminous intensity (candela)

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