Menü Kapat

S.I. Units

Physical quantityUnits
Fundamental units
Length (l)Metre (m)
Mass (m)Kilogram (kg)
Time (t)Second (s)
Temperature (T)Kelvin (K)
Electric current (I)Ampere (A)
Luminous intensity(Iv)Candela (cd)
Amount of substance (n)Mole (mol)
Supplementary units
Plane angle (α, β, θ, φ )Radian (rad)
Solid angle (Ω)Steradian (sr)
Fundamental and supplementary units.
QuantitySymbolUnits
Linear velocityVm/s
Linear accelerationam/s2
Angular velocityωrad/s
Angular accelerationαrad/s2
Mass densityρkg/m3
Force, WeightF, WN ; 1N = 1kg-m/s2
PressurePN/m2
Work, Energy, EnthalpyW, E, HJ ; 1J = 1N-m
PowerPW ; 1W = 1J/s
Absolute or dynamic viscosityμN-s/m2
Kinematic viscosityvm2/s
FrequencyfHz ; 1Hz = 1cycle/s
Gas constantRJ/kg K
Thermal conductancehW/m2 K
Thermal conductivitykW/m K
Specific heatcJ/kg K
Molar mass or Molecular massMkg/mol
Derived units.

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