I agree, I heard that astronaut cannot pee or shit while they are in space.
, |, @& W: Z, O6 a5 p5 J, F& CTVBNOW 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。It must be a painful joruney.
5 u4 J* r3 x$ E7 G% x2 ~6 D; u公仔箱論壇Oh BTW, if your lecturer talks about "地心引力" in your Physics class.
' ~+ u5 [' g" rI suggest you pack and pick other subject instead, if you really like Physics,
0 t- ^* ?; |! j- k" n; I9 d) jyou need to switch school.公仔箱論壇- e7 d5 i( [9 S' z \
There is no 地心引力, but "gravitational" force only.
: v1 S& ]5 W- _3 }; ]4 } b& [A simple meaning of Gravitational force = the force of attraction between any , |$ s, t9 I' s9 y% }/ a Y/ T3 |0 N
two masses.
$ `: R/ [1 Z# f+ z3 b; M$ K7 ftvb now,tvbnow,bttvb, m& x5 E. Z/ b
Gosh, I got fooled by my HK Physics teacher many years ago. |