Besaran Pokok
besaran pokok adalah besaran yang tidak diturunkan dari besaran lain. beberapa besaran pokok dalam fisika
Quantity
|
Unit
|
Length
|
Metre (m)
|
Mass
|
Kilogram (kg)
|
Time
|
Second (s)
|
Electric Charge
|
Ampere (A)
|
Temperature
|
Kelvin (K)
|
Luminenscent Intensity
|
Candela (Cd)
|
Beberapa Besaran Turunan
besaran turunan merupakan besaran yang diturunkan dari besaran yang lain.
Name
|
Symbol
|
Quantity
|
Expression in terms of other units
|
Expression in terms of SI base units
|
Hertz
|
Hz
|
Frequency
|
1/s
|
s-1
|
Newton
|
N
|
Force, Weight
|
m.kg.s-2
|
m.kg.s-2
|
Joule
|
J
|
Work, Heat
|
N.m
|
m2.kg.s-2
|
Watt
|
W
|
Power, Radiant flux
|
J/s
|
m2.kg.s-3
|
Pascal
|
Pa
|
Pressure, Stress
|
N/m2
|
m-1.kg.s-2
|
Lumen
|
lm
|
Luminous flux
|
cd.sr = 1/cd
|
cd
|
lux
|
lx
|
Illuminance
|
lm/m2 = 1/(m2.cd)
|
m-2.cd
|
Coulomb
|
C
|
Electric charge or flux
|
A.s
|
A.s
|
Volt
|
V
|
Electrical potential difference, Electromotive force
|
W/A = J/C
|
m2.kg.s-3.A-1
|
Ohm
|
Ω
|
Electric resistance, Impedance, Reactance
|
V/A
|
m2.kg.s-3.A-2
|
Farad
|
F
|
Electric capacitance
|
C/V
|
m-2.kg-1.s4.A2
|
Weber
|
Wb
|
Magnetic flux
|
J/A
|
m2.kg.s-2.A-1
|
Tesla
|
T
|
Magnetic flux density, magnetic induction
|
V.s.m-2 = Wbm-2
|
kg.s-2.A-1
|
Henry
|
H
|
Inductance
|
V.s/A=Wb/A
|
m2.kg.s-2.A-2
|
Siemens
|
S
|
Electrical conductance
|
Ω-1
|
m-2.kg-1.s3.A2
|
Becquerel
|
Bq
|
Radioactivity (decays per unit time)
|
s-1
|
s-1
|
Gray
|
Gy
|
Absorbed dose (of ionizing
radiation)
|
J/kg
|
m2.s-2
|
Sievert
|
Sv
|
Equivalent dose (of ionizing
radiation)
|
J/kg
|
m2.s-2
|
Katal
|
kat
|
Catalytic activity
|
mol/s
|
s-1.mol
|
Degree Celsius
|
°C
|
Thermodynamic temperature
|
TC=TK-273.15
|
|
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