mamasing

I agree, I heard that astronaut cannot pee or shit while they are in space.公仔箱論壇; t' ^5 Q' [: P, G3 @
It must be a painful joruney.公仔箱論壇  Q8 N4 C) T2 ^+ q
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.
+ h6 ?0 E% S5 B+ F+ m4 VI suggest you pack and pick other subject instead, if you really like Physics, 公仔箱論壇  a! C) `2 K& V: D5 ^9 ~  t" x
you need to switch school.tvb now,tvbnow,bttvb1 B0 |, e* U7 @$ v2 }4 _2 a
There is no 地心引力, but "gravitational" force only.公仔箱論壇6 \& q6 U1 j9 _$ \! Z
A simple meaning of Gravitational force = the force of attraction between any
- b3 K" |9 d5 w* z$ A' ~tvb now,tvbnow,bttvbtwo masses.
6 \% J3 q- y' X" c. f9 rTVBNOW 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。- h0 ]5 X% D5 v* c: d
Gosh, I got fooled by my HK Physics teacher many years ago.