[SIZE=2][FONT=Verdana]I Amazed that I came across this jewel. Well here it is:
http://www.cove.org/ape/index.htm
[/FONT][/SIZE] APE (Actionscript Physics Engine) is a free AS3 open source 2D physics engine for use in Flash and Flex, released under the MIT License. APE is written and maintained by Alec Cove.