I agree, I heard that astronaut cannot pee or shit while they are in space.公仔箱論壇0 i V- D( G5 q6 i) B4 w. N6 r
It must be a painful joruney.www2.tvboxnow.com. w$ [1 S) X1 c( x. q' ~ f( B8 X
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.
- K& k" l' r+ \3 ZI 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。6 _0 f: J6 A4 a0 F* E; z7 s- ~
you need to switch school.3 ]7 d$ x% ?( e- [
There is no 地心引力, but "gravitational" force only.
5 I4 e8 S( P+ ?* V/ L6 iA simple meaning of Gravitational force = the force of attraction between any www2.tvboxnow.com5 `7 n6 d7 B! r7 w% s" @9 _# c( `6 [4 v
two masses.
3 y* }- w- `" d! W! wTVBNOW 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。tvb now,tvbnow,bttvb8 ~$ Q$ g! M, f; t: m) C
Gosh, I got fooled by my HK Physics teacher many years ago. |