mamasing

I agree, I heard that astronaut cannot pee or shit while they are in space.公仔箱論壇' H( t, s+ A( Y. F1 S4 P6 l
It must be a painful joruney.
* @1 @+ M4 _" S. @; }公仔箱論壇Oh BTW, if your lecturer talks about "地心引力" in your Physics class.
2 t! U$ C( O  V, \tvb now,tvbnow,bttvbI suggest you pack and pick other subject instead, if you really like Physics, 公仔箱論壇  c" K+ o0 B/ ]1 u' t, x
you need to switch school.
) }: Q% `/ ?' B7 g- P- L, _/ o( X, qos.tvboxnow.comThere is no 地心引力, but "gravitational" force only.os.tvboxnow.com/ J8 ^: C+ O( D1 F
A simple meaning of Gravitational force = the force of attraction between any , F- Z  |, e3 ^# Q- g  N: ~
two masses.
! s6 F! s! n- ?' K1 M2 ~2 B公仔箱論壇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。' ^/ P" R( n9 n! V* ~) ]
Gosh, I got fooled by my HK Physics teacher many years ago.