Originally Posted by
SAN 1K
If we have a physicist they may be able to confirm - but intuition tells me that a POS isn't going to move very far in turbulence. ...
yep science / physics are different than your intuition.
Originally Posted by
SAN 1K
... I've flown millions of miles and never experienced turbulence that would move anyone from their seats.
Though my mother - also a frequent traveller - tells stories of a flight from Japan with numerous injuries due to extreme turbulence.
Yes it can and does definitively happen -- not common fortunately but ugly when it does happen. You will never catch me without the seat-belt latched if I'm not out and about. Just one bout of "moderate" turbulence and seeing FAs hit the deck for their safety was enough for me.