It depends on the aircraft, the speed and the maneuver that the plane is doing. If they are doing loops or rolls, no, centrifugal force will hold them in place. If the plane is 'flying' upside down, a maneuver that is possible in some aircraft, yes, gravity will cause them to fall.
because the spoon is concave, making the reflection upside down
its a circle so the figure is round that is why we see each other upside down
Well when a word is shown in front of a mirror the reflection of the word upside down. This is called mirror image.
1961
convex lens
Tickle torture was tickling a person who is strapped down and unable to protect themselves from it
Depends on the person.
it means that the person is a swinger
yes but you cant run
There is a risk of asphyxiation of a person hangs upside down for too long. The blood can leave the vessels causing oxygen to not circulate properly. There is not a risk if a person is healthy hanging upside down for short periods of time.
Not for the person that skull belongs to ^_^
The earth can not be upside down.
Gymnastics is kind of an upside down sport because the handstand you do it upside down and that's the only sport you do upside down flips and etc...
Dude are you serious? And probably not
This is a symbol of the person within being a prostitute
It's probably the kanji for person.
No they do not sleep upside down.