Event Vector: [ sec, m, m, m ] or [sec, light-sec, ..](adsbygoogle = window.adsbygoogle || []).push({});

00th component of metric tensor : m^2/sec^2.

iith components of metric tensor : 1.

0ith or i0th components of metric tensor: m/sec.

4-velocity: [ 1, m/sec, .. ]

4-momentum; [kg, kg*m/sec, .. ]

4-Force : [ kg/sec, kg*m/sec^2, .. ]

kg*m/sec^2 = newton.

E charge-current tensor: [ coulomb/m^3, coulomb/m^2*sec, .. )

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# Unit of Tensors

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