I agree, I heard that astronaut cannot pee or shit while they are in space.
2 J, g# Q6 @4 {( c" S& z公仔箱論壇It must be a painful joruney.公仔箱論壇# y- b: J' p; c9 i S( K
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.公仔箱論壇- r) |& F/ J* S, y7 p$ _2 b9 T* l
I suggest you pack and pick other subject instead, if you really like Physics, + d% b* w: M' t7 Z2 M4 y0 U
you need to switch school.
' j8 ^& \: H5 |3 [- q, BThere is no 地心引力, but "gravitational" force only.tvb now,tvbnow,bttvb7 K6 R: w6 V2 X$ B) D
A simple meaning of Gravitational force = the force of attraction between any
( P# Z- t& \9 q: F1 p( m/ U! mTVBNOW 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.* E4 n8 ]' H" X5 `( ^
2 m0 t. r$ z1 Q& N3 O; f公仔箱論壇Gosh, I got fooled by my HK Physics teacher many years ago. |