mamasing

I agree, I heard that astronaut cannot pee or shit while they are in space.
. A6 O; R5 c3 D% Z/ v$ ^* ]tvb now,tvbnow,bttvbIt must be a painful joruney.
. c) @: ~; k' D) L9 OOh BTW, if your lecturer talks about "地心引力" in your Physics class.
/ V& b5 G1 e) V# l2 }  l5 ZTVBNOW 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, 公仔箱論壇$ b& i9 M0 I. D- \5 E  O
you need to switch school.
/ x$ k, p  P7 h6 J5.39.217.77:8898There is no 地心引力, but "gravitational" force only.公仔箱論壇$ c" R: Y' p1 o  Q& {
A simple meaning of Gravitational force = the force of attraction between any 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 d$ g7 N, X  |
two masses.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。) w# n0 x' R& Z

# P* W3 ?) e& I5 w' }% G  VTVBNOW 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。Gosh, I got fooled by my HK Physics teacher many years ago.