mamasing

I agree, I heard that astronaut cannot pee or shit while they are in space.* ^/ i9 G, ^- Y4 l, k. O* }* o3 t
It must be a painful joruney.
( \$ _* s8 @6 W9 C0 V6 K5.39.217.76Oh BTW, if your lecturer talks about "地心引力" in your Physics class.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。% c/ U' D& _! @: g% M/ H- S$ L
I suggest you pack and pick other subject instead, if you really like Physics, 公仔箱論壇4 G/ T: w& V$ L6 o
you need to switch school.
8 Q& b% r6 x! J5 |: i7 V: w公仔箱論壇There is no 地心引力, but "gravitational" force only.公仔箱論壇9 w( |. m" }$ G8 y' [) m+ f
A simple meaning of Gravitational force = the force of attraction between any
# b  z, A1 n! F: {two masses.
7 k# L- x  g4 u/ l" m; ~+ ^公仔箱論壇
5 i1 K6 p: i+ H8 Y/ l8 e) TGosh, I got fooled by my HK Physics teacher many years ago.