2 Base And Derived Quantities

BASE QUANTITIES AND DERIVED QUANTITIES

[object Object],[object Object],[object Object],[object Object],[object Object]

For example, ,[object Object],Symbol of the physical quantity Numerical value for the magnitude of the physical quantity Unit of the physical quantity

Base quantities are physical quantities that cannot be defined in terms of other base quantities K Kelvin T Temperature A ampere I Electric current s second t Time kg kilogram m Mass m metre l Length Symbol of SI unit SI unit Symbol Base quantity

Derived quantity is obtained by combining base quantities by multiplication or division or both these operations.

[object Object],[object Object],[object Object],[object Object],[object Object],Scientific Notation

10 9 G Giga 10 -12 p Pico 10 12 T Tera 10 6 M Mega 10 3 k Kilo 10 -1 d Deci 10 -2 c Centi 10 -3 m Mili 10 -6 Micro 10 -9 n Nano Value Symbol Prefix

[object Object],[object Object],Scalar and Vector Quantities

Force Energy Work Momentum Volume Area Acceleration Density Mass Velocity Temperature Speed Displacement Time Length Vector Quantity Scalar quantity

EXAMPLE ,[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],MEASUREMENTS

2 Base And Derived Quantities

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2 Base And Derived Quantities