I agree, I heard that astronaut cannot pee or shit while they are in space./ U: Y( E) ?6 g, S) j6 v" ]8 m3 t; C
It must be a painful joruney.公仔箱論壇4 \) |) @/ @' B3 y# S9 `
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.: B% C. Q, i: V: J* }
I suggest you pack and pick other subject instead, if you really like Physics,
4 w A6 b M/ 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。you need to switch school.公仔箱論壇9 q6 y# O5 H1 c
There is no 地心引力, but "gravitational" force only.www2.tvboxnow.com9 W, | K! q/ N9 ]1 f$ S- {
A simple meaning of Gravitational force = the force of attraction between any
7 w5 w( U, j7 l2 t# [8 ftwo masses.
" F( n8 J0 n3 v/ @% [2 x7 Atvb now,tvbnow,bttvb# h0 ~; G6 I8 K- j' T6 n% t; U
Gosh, I got fooled by my HK Physics teacher many years ago. |