mamasing

I agree, I heard that astronaut cannot pee or shit while they are in space.
6 a- j7 P: P& ^9 t4 P8 e8 L+ D2 p公仔箱論壇It must be a painful joruney.
) _* |$ l2 `3 N! y  I- h% |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。Oh BTW, if your lecturer talks about "地心引力" in your Physics class.0 Z2 u" K' M* Z, E, z. `+ g7 I1 m8 _
I suggest you pack and pick other subject instead, if you really like Physics,
& o$ c6 J0 a; o+ y0 A2 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。you need to switch school.
$ H8 q& y5 E) B  \tvb now,tvbnow,bttvbThere is no 地心引力, but "gravitational" force only.公仔箱論壇/ w. v( u5 t+ F3 V- P
A simple meaning of Gravitational force = the force of attraction between any
! e- L* N6 ^+ Qtwo masses.
, d' R& s8 i7 ]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。
0 Z! F/ t, _2 W( d- {2 ^5.39.217.76Gosh, I got fooled by my HK Physics teacher many years ago.