I agree, I heard that astronaut cannot pee or shit while they are in space.tvb now,tvbnow,bttvb2 v7 k% }4 x" j0 m
It must be a painful joruney.
/ n! D% S/ I2 }9 X0 M) JOh BTW, if your lecturer talks about "地心引力" in your Physics class.
* j' w$ V8 M; k Z6 C* G) E% `1 J' @公仔箱論壇I suggest you pack and pick other subject instead, if you really like Physics, 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。7 p! U* |) h+ M( Y0 m) c
you need to switch school.
$ G( p% t1 o+ q4 [( c! A- i公仔箱論壇There is no 地心引力, but "gravitational" force only.
6 g/ m$ m$ J+ k$ O' gA simple meaning of Gravitational force = the force of attraction between any 1 G/ o& ~& \# [& p0 q: D7 q
two masses.
* C2 g+ n) T0 [, d2 w2 Q% H8 {os.tvboxnow.com
% R ^ W" u2 R3 L1 Otvb now,tvbnow,bttvbGosh, I got fooled by my HK Physics teacher many years ago. |