Armandz,
I am working on a similar project at the moment.
Newtons Cradle Dynamics Testing and Solutioning - YouTube
I am not animating as such but using Mayas Dynamics system to do this. Once I have finished it I will post the process of creating it on the following post: https://simplymaya.com/forum/showthread.php?t=36555
Chris (formerly R@nSiD)
Twitter
When the power of love overcomes the love of power the world will truely know peace - Jimmy Hendrix
Winner SM VFX Challenge 1
3rd Place SM SteamPunk Challenge (May 2007)