n/m
m
m
n

Formula

Force:
F x = -k(x-x0)

Spring Force Constant:
k  = Fx / x-x0

Distance from Equilibrium:
x = x0 – (Fx/ k)

Spring Equilibrium Position:
x 0 = (Fx/ k)+x

Where,
F x = Force,
k = Spring Force Constant,
x = Distance from Equilibrium,
x 0 = Spring Equilibrium Position.