在太空中航天员是没办法哭的，因为没有地心引力,眼泪流不出来 作者: mamasing 時間: 2007-4-26 09:26 AM
I agree, I heard that astronaut cannot pee or shit while they are in space." i$ h$ v8 F6 t
It must be a painful joruney.( R1 r9 I6 x1 S
Oh BTW, if your lecturer talks about "地心引力" in your Physics class. # S8 E' l$ D- V% D( o. dI suggest you pack and pick other subject instead, if you really like Physics, # ~' x& _) Y& `/ {. Q6 ryou need to switch school. # l8 Q, P2 `( k. D公仔箱論壇There is no 地心引力, but "gravitational" force only.5.39.217.766 W/ @$ W* m& }3 G7 w
A simple meaning of Gravitational force = the force of attraction between any tvb now,tvbnow,bttvb* q* e2 n* h7 X6 L( i# Z5 G" e) W
two masses.tvb now,tvbnow,bttvb$ e, q3 z4 i# U3 g+ N
$ [! t) a) S# |9 W. t A' ~/ Q; TGosh, I got fooled by my HK Physics teacher many years ago.
