@xyz said:
Yep.
Impulses work correctly. However, rigid bodies are meant to be used for moving objects. Using them for static stuff may waste computing resources. If the object doesn't need to move - as I assume is the case with your trees - you can use StaticBody instead.
I wanted to move them at special times, like when they are cut off, to show the treetop falling down for example. And wanted to have the fallen trunks movable by maybe cars or slopes, but not by the weak player.