Love the Metric System

(l) distance - m
(t) time - s
(m) mass - kg
(a) area - m^2
(v) velocity - m/s
(rho) density - kg/m^3
(g) gravity - m/s^2
(F) force - kgm/s^2
(E) energy - kgm^2/s^2
(P) power - kgm^2/s^3