ML⁻³

ML⁻¹T⁻¹

MLT⁻²

M⁻¹L³

Rotation of earth on its axis

Oscillations of quartz crystal

Vibrations of cesium atom

Earth’s orbital motion around the sun

$Ohm/c{m^2}$

Ohm/cm

Ohm-cm

${(Ohm - cm)^{ - 1}}$

Dip

Magnetic intensity

Magnetic moment

Pole strength

Dip

Magnetic intensity

Magnetic moment

Pole strength

Farad

Henry

Weber

Tesla

Joule

Joule-coulomb

Volt-coulomb

Joule/coulomb

The dimensions of each term in a physically valid equation must be the same.

All physical quantities must have the same dimensions.

Only quantities with the same dimensions can be added or subtracted.

The numerical values of each term in an equation must be the same.

N/m

N-m

$N/{m^2}$

$N - {m^2}$

$N\;k{g^{ - 1}}$

$m{s^{ - 2}}$

$rad\;{s^{ - 2}}$

$m\;k{g^{ - 1}}K$

$M{L^2}{T^{ - 2}}$

$ML{T^{ - 2}}$

$M{L^2}{T^{ - 1}}$

$M{L^2}{T^{ - 3}}$