spring effect in Python

[Cousin Stanley]

> ....
> I've problem to find something that give that physical effect 
> ( like a spring).
>
> Any idea?

  You may find VPython useful for simulating physical effects .... 

      http://www.vpython.org/

  Examples including a couple that are spring-related ....

      http://matterandinteractions.org/Content/Materials/programs1.html

-- 
Stanley C. Kitching
Human Being
Phoenix, Arizona