I agree, I heard that astronaut cannot pee or shit while they are in space.公仔箱論壇: S0 G1 G3 H5 A7 u# P
It must be a painful joruney.www2.tvboxnow.com- _; t. P2 [9 x' ^5 h' {& p$ L
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.6 u: f" P! d- N
I suggest you pack and pick other subject instead, if you really like Physics, ' H. g0 u% {1 k/ u- a: U
you need to switch school.www2.tvboxnow.com7 s" Y/ d% `5 ]2 O
There is no 地心引力, but "gravitational" force only.
+ _8 J1 z2 S" 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。A simple meaning of Gravitational force = the force of attraction between any
- ^5 x- P1 u4 u9 t8 b, s& Y' Itvb now,tvbnow,bttvbtwo masses.
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Gosh, I got fooled by my HK Physics teacher many years ago. |