Are you saying that when the surfaces end at the same height the angle of the first slope will allways cancell out the size of the chain on the second slope?
So none of these would move?
![[Image: nomoveg.png]](http://img714.imageshack.us/img714/1193/nomoveg.png)
Because that was whut i was thinking...
however i think the green chain doesn't prove anything, using that no chain would ever move... so in this case it doesn't change anything but it doesn't prove anything either
/ 
