${10^7}:1$

${10^4}:1$

${10^6}:1$

$1:1$

Velocity

Acceleration

Force

Strain

Stress and pressure

Angle and strain

Tension and surface tension

Planck’s constant and angular momentum

Force and strain

Force and stress

Angular velocity and frequency

Energy and strain

(1) only

(1) and (2) only

(1), (2) and (3)

(1), (2), (3) and (4)

$\left[ {{\rm{ML}}{{\rm{T}}^{ - 3}}{{\rm{K}}^{ - 1}}} \right]$

$\left[ {{\rm{M}}{{\rm{L}}^3}{{\rm{T}}^3}{{\rm{K}}^2}} \right]$

$\left[ {{\rm{M}}{{\rm{L}}^3}{{\rm{T}}^{ - 3}}{{\rm{K}}^{ - 2}}} \right]$

$\left[ {{{\rm{M}}^2}{{\rm{L}}^3}{{\rm{T}}^{ - 3}}{{\rm{K}}^2}} \right]$

Frequency, angular frequency and angular momentum

Surface tension, stress and spring constant

Acceleration, momentum and retardation

Work, energy and torque

Work, energy, force

Velocity, momentum, impulse

Potential energy, kinetic energy, momentum

Pressure, stress, coefficient of elasticity

${\upsilon ^2}/rg$

${\upsilon ^2}r/g$

${\upsilon ^2}g/r$

${\upsilon ^2}rg$

T = \sqrt{\frac{L}{g}}

T = 2π\sqrt{\frac{g}{L}}

T = 2π\sqrt{\frac{l}{G}}

T = 2π\sqrt{\frac{R^2}{GM}}

h/e

${h^2}/e$

$h/{e^2}$

${h^2}{e^2}$