Physical
quantities:
Those quantities which can be measured and with the help
of which laws of physics can be expressed .
Types
of physical quantities:
Base
quantities:
Those physical quantities in term of which other physical
quantities are defined are called base quantities .
There are seven base quantities which are given below
|
Quantities
|
units
|
symbols
|
|
Length
Mass
Time
Current
Temperature
Amount
of substance
Light
intensity.
|
Meter
Kilogram
Second
Ampere
Kelvin
Mole
Candela.
|
M
Kg
S
A
K
Mol
cd
|
Derived
quantities:
Thos quantities which are derived from base quantities
are called derived quantities
Examples;
·
Displacement
·
Volume
·
Speed
·
Acceleration
·
Momentum
·
torque
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