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。' v0 P2 Z1 C+ P
It must be a painful joruney.公仔箱論壇& j* O8 ]" Z3 Z7 C+ f% ]( c. W: }. Y( ^( k
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.
9 O" B6 O% U% K; 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, 0 O# H+ ~5 W9 I0 |
you need to switch school.! q% r: d  _' D
There is no 地心引力, but "gravitational" force only.
9 e0 q  F& A1 h0 a8 iTVBNOW 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
/ a5 k. O! k  D" U' B公仔箱論壇two masses.$ t1 y* F6 E$ d1 X9 u3 c
tvboxnow.com4 k. ?+ d5 x, |) ~
Gosh, I got fooled by my HK Physics teacher many years ago.