mamasing

I agree, I heard that astronaut cannot pee or shit while they are in space.
' h- V5 V0 v* ~2 U; c6 FIt must be a painful joruney." I  H3 N; C5 q' a( B5 C
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.
6 f- C1 O3 E2 v& _( p2 LTVBNOW 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。I suggest you pack and pick other subject instead, if you really like Physics, 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。( {5 m3 ^( K. z. T: e
you need to switch school." \/ c4 B  `4 V9 E5 v
There is no 地心引力, but "gravitational" force only.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。2 v3 p3 v6 g( C
A simple meaning of Gravitational force = the force of attraction between any 公仔箱論壇8 g- p: C' V& G  N2 v+ [, N
two masses.
' m# _8 a* t" J3 _, \( p5 d1 t  ztvb now,tvbnow,bttvbTVBNOW 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。% I# L1 t! ~+ ^) B4 p4 H  P
Gosh, I got fooled by my HK Physics teacher many years ago.