mamasing

I agree, I heard that astronaut cannot pee or shit while they are in space.公仔箱論壇+ Y! f: x# c: U- a
It must be a painful joruney.
/ v8 h3 T; E; f. ]' R$ z+ P! S公仔箱論壇Oh BTW, if your lecturer talks about "地心引力" in your Physics class.
8 A: b( F7 ^, a6 u9 @; MI suggest you pack and pick other subject instead, if you really like Physics,
8 @. Y0 P" s; T0 _9 x2 n+ m公仔箱論壇you need to switch school.
5 J5 g$ t  |. i3 Z& ~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。There is no 地心引力, but "gravitational" force only.
# |$ T4 F' W7 P2 ?# u; o; v" ?$ s: l* Y5.39.217.76A simple meaning of Gravitational force = the force of attraction between any
/ x" x, P4 e4 O& S  \- F公仔箱論壇two masses.
  ^- \  r% u3 c$ |2 C3 hTVBNOW 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 @* f# Q( u' e% a- _
Gosh, I got fooled by my HK Physics teacher many years ago.