2019-01-22

Unit of Measures



Sheet 1: Unit Measures





Unit SI SI+N SI+V SI+W SI+J

Distance Meter m m




Mass Kilogram Kg Kg




Time Second s s




Current Ampere A A




Speed

m/s




Acceleration

m/s2




Jerk

m/s3



Force[N]=mass[Kilograms]*Acceleration[m/s2] Force Newton N Kg*m/s2



Energy[J]=Torque[N*m]*Angle[rad] Torque

Kg*m2/s2 N*m/rad

J/rad










Charge Coulomb C A*s



Voltage[V]=Power[Kg*m2/s2]/Current[A] Voltage Volt V Kg*m2/s2/A




Angular Inertia J
Kg*m2




Capacitance Farad F s4*A2/m2/Kg
A*s/V


Inductance Henry H Kg*m2/s2/A2
V*s/A
J/A2
Electric Field[V/m]=Voltage[V]/Distance[m] Electric Field E
Kg*m/A/s3
V/m


Magnetic Field Tesla T Kg/A/s2 N/A/m V*s/m2
J/A/m2









Energy[J]=Force[N]*Displacement[m] Energy Joule J Kg*m2/s2 N*m


Energy[J]=int{Power[W]*dt[S]} Energy Joule J


W*s
Energy[J]=0.5*Voltage[V]^2*Capacitance[F]







Energy[J]=0.5*Current[A]^2*Inductance[H]







Energy[J] = electrostatic permeattivity[F/m] *Electric field[V/m]^2 *volume[m3]







Energy[J] = 1/magnetic permeability[H/m] *Magnetic Field[T]^2 *volume[m3]







Power[W]=Voltage[V]*Current[A] Power Watt W Kg*m2/s2
V*A

Power Power Watt W

V*A











Volumetric Density ro Kg/m3





Charge Density ro_q C/m3





Current Density J A/m2














Resistence Ohm Ohm Kg*m2/s3/A2
V/A




























Magnetic Field [T] = magnetic constant [H/m] *Current[A] /2pi /Distance[m]







Force[N] = Length[m] * Current [A] x Magnetic Field [T]








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