mamasing

I agree, I heard that astronaut cannot pee or shit while they are in space.TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。3 g8 C8 Y2 y) ^* D# i: d
It must be a painful joruney.* A7 b7 V/ n6 l* n
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.
$ |8 G. n9 {9 h: F! Xtvb now,tvbnow,bttvbI suggest you pack and pick other subject instead, if you really like Physics,
( K0 t/ A9 N1 q# yyou need to switch school.
$ _7 i" H- j$ k+ b5 c1 Otvb now,tvbnow,bttvbThere is no 地心引力, but "gravitational" force only.
. }  e# L, y* `) D9 E. N- BTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。A simple meaning of Gravitational force = the force of attraction between any 公仔箱論壇4 W8 @+ E+ B6 V. e( b; `% }
two masses.tvb now,tvbnow,bttvb% d. N# o1 p! ~* |! C5 z. L" ~
5.39.217.76- |% {+ R4 T! X
Gosh, I got fooled by my HK Physics teacher many years ago.