Experimenting with gravity and physics on the Unity Game Engine
Included scene of collapsing blocks demonstrates gravity mechanics.
Mmmm, delicious gravity.
###THE BEER-WARE LICENSE (Revision 42):
Walter Lim cobbled this project together. As long as you retain this notice you can do whatever you want with this stuff. If we meet some day, and you think this stuff is worth it, you can buy me a beer in return.