mamasing

I agree, I heard that astronaut cannot pee or shit while they are in space.7 t9 P8 T" Y! Y2 M2 V
It must be a painful joruney.
, Z5 u' u. l( \) a; g7 x! P1 N5.39.217.76Oh BTW, if your lecturer talks about "地心引力" in your Physics class.) m$ E- _* ?+ n6 r
I suggest you pack and pick other subject instead, if you really like Physics, 4 s, p0 G0 f8 k! `4 O0 i' }
you need to switch school.公仔箱論壇% \8 I, }( H6 \" Z
There is no 地心引力, but "gravitational" force only.公仔箱論壇/ E8 I5 S' x4 r( ~4 W( v% v
A simple meaning of Gravitational force = the force of attraction between any
5 j, A/ O" O. I' eTVBNOW 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。two masses.公仔箱論壇& I' r& J/ }  R$ M3 x

% G9 \/ c2 l1 h( q5.39.217.76Gosh, I got fooled by my HK Physics teacher many years ago.