how to Swing the stack object?

I want to stack the objects like scoop game for iPhone & Tower Bloxx. I want to move that stack to left & right based on accelerometer. I am trying to do it by using chipmunk. I开发者_Go百科 am able to stack but I cant able to swing that stack when it's moving from left to right or vice versa.

If anyone knows it please help me out.

Thanks in advance

---

You might try asking over at:

http://iphonegamedev.stackexchange.com/