mamasing

I agree, I heard that astronaut cannot pee or shit while they are in space.
6 E. p; G- D+ p8 X  X4 T9 e; PIt must be a painful joruney.
5 e, y  c( C1 s& \- t. ]3 qOh BTW, if your lecturer talks about "地心引力" in your Physics class.
# ^! f5 }0 g5 H* cTVBNOW 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。8 O2 |. P4 u9 q! {/ j* g
you need to switch school.
7 Y5 S/ B+ F3 D; u5 I$ o/ U% ^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。4 z3 w) r) h  |$ ?. X
A simple meaning of Gravitational force = the force of attraction between any
& R$ ^( ?! _' {7 {* [; h; w' U公仔箱論壇two masses.
( [8 V2 x* u, ?1 v" c+ a: ~5.39.217.77
& s$ V6 z% H7 S1 ~1 |  a公仔箱論壇Gosh, I got fooled by my HK Physics teacher many years ago.