I agree, I heard that astronaut cannot pee or shit while they are in space.
$ V- u! D8 j9 M/ v0 N1 H' |公仔箱論壇It must be a painful joruney.
1 Y) O; ^2 d9 ]/ G, @www2.tvboxnow.comOh BTW, if your lecturer talks about "地心引力" in your Physics class.www2.tvboxnow.com9 M0 \ T6 `9 V V4 I) I
I suggest you pack and pick other subject instead, if you really like Physics, ! ?" I7 K% ?; L' |' ^
you need to switch school.tvb now,tvbnow,bttvb$ }! E8 O; s' W6 x
There is no 地心引力, but "gravitational" force only.
% W1 i% @! T+ \5 S$ aA simple meaning of Gravitational force = the force of attraction between any
8 b' i" K( Y( r5 P. S7 kwww2.tvboxnow.comtwo masses.公仔箱論壇" q4 ?/ l2 }( L! E
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Gosh, I got fooled by my HK Physics teacher many years ago. |