Theory:
     The equation used is F = -kx. where k is the spring constant force (force/distance), and x is the distance of a certain mass from the spring's point of equallibrium. This is the force holding atoms (point masses) together, forming interacting matter.

A Bold statement:
    The end result is that every physics concept and formula learned in general physics could be simulated with this system of masses connected to springs (aside from electricity and magnetism).

Contents:
How does this simulate matter and physics?
The purpose for writing computer simulations of particles.
Try the simulation for yourself!
References and Links