Ok but air friction isn’t going to move that log either. It’ll continue to travel the same speed as the truck. Even if there was thick air, that bump would need to be large enough to lift an entire tree for there to be no friction from the other logs. If you’re driving on a highway with bumps large enough to launch you out of your seat, then maybe you should rethink driving all together
A litlle road bump and them logs could be airborn, where no friction is applied.
Ok but air friction isn’t going to move that log either. It’ll continue to travel the same speed as the truck. Even if there was thick air, that bump would need to be large enough to lift an entire tree for there to be no friction from the other logs. If you’re driving on a highway with bumps large enough to launch you out of your seat, then maybe you should rethink driving all together