Video Game Design/Programming/Framework/Physics

Physics
When creating a game there are some features that will aid the gamer to be able to easily interact in the virtual environment created. If simulating real environments this is extremely important since realism is expected, from object trajectories to how they collide, the feeling of mass and how fluid behave and other similar behaviors can all be modeled in conformance to well understood formulas that are also valid on the real word.

Liquids

 * Surface tension
 * Viscosity