$1.5 imes 10^{12}$ molecules $cm^{-3}$ $\mu s^{-1}$

$2.5 imes 10^{18}$ molecules $cm^{-3}$ $\mu s^{-1}$

$1.5 imes 10^{15}$ molecules $cm^{-3}$ $\mu s^{-1}$

$4.2 imes 10^{20}$ molecules $cm^{-3}$ $\mu s^{-1}$

Force and strain

Force and stress

Angular velocity and frequency

Energy and strain

Force per unit volume

Energy per unit volume

Force

energy

Energy

pressure

Torque

Pressure gradient

W-s

kg–m/sec

N-m

Joule

$\left[ {{\rm{ML}}{{\rm{T}}^{ - 2}}{{\rm{K}}^{ - 1}}} \right]$

$\left[ {{\rm{M}}{{\rm{L}}^2}{{\rm{T}}^{ - 2}}} \right]$

$\left[ {{\rm{M}}{{\rm{L}}^2}{{\rm{T}}^{ - 2}}{{\rm{K}}^{ - 1}}} \right]$

$\left[ {M{L^{ - 2}}{T^{ - 2}}{K^{ - 1}}} \right]$

Planck’s constant and angular momentum

Work and energy

Pressure and Young’s modulus

Torque and moment of inertia

Work

Energy

Power

Momentum

$\left[ {M{L^2}{T^{ - 2}}{heta ^{ - 1}}} \right]$

$\left[ {M{L^2}{T^{ - 2}}} \right]$

$\left[ {M{L^0}{T^{ - 2}}{heta ^{ - 1}}} \right]$

$\left[ {M{L^{ - 2}}{T^{ - 1}}{heta ^{ - 1}}} \right]$

Frequency, angular frequency and angular momentum

Surface tension, stress and spring constant

Acceleration, momentum and retardation

Work, energy and torque

Joule/second

Watt/ampere

Watt/coulomb

Coulomb/joule