(idea) by Codepie Tue Sep 25 2001 at 23:38:16
The Second Law is shortened to

ΣF = m • a

from

ΣF • t = mv0 - mv

where v = velocity, m = mass, F = force, t = time.

because the mass of an object is constant and

(v - v0) ÷ t = a

where a = acceleration.
I like it!