Physics connect two elements with rope and hang them who is heavier will pull the other

Hey Guys,

i’m looking for a ways to do this in SS:

PLfwOh3.png

maybe something like this: https://www.youtube.com/watch?v=n1gdFgccnUE

when i start the game both will fall but the rope will hang on the object between the spheres and the heavier one will pull the other one if they are the same will be hanging until another actor adds more weigth to one of the spheres.