在太空中航天员是没办法哭的,因为没有地心引力,眼泪流不出来 作者: mamasing 時間: 2007-4-26 09:26 AM
I agree, I heard that astronaut cannot pee or shit while they are in space. / S/ U; I" i/ c2 [( _公仔箱論壇It must be a painful joruney. 2 p& `/ M" }: t' g8 Q0 b. oOh BTW, if your lecturer talks about "地心引力" in your Physics class.公仔箱論壇3 l' E+ D$ _( [; M& z; s9 j
I suggest you pack and pick other subject instead, if you really like Physics, - [8 U- _6 e3 S1 b, m! syou need to switch school. " \6 X% ]# ]! v$ g6 W' wwww2.tvboxnow.comThere is no 地心引力, but "gravitational" force only.www2.tvboxnow.com6 t6 a; M2 G$ d# s0 Z8 P$ y
A simple meaning of Gravitational force = the force of attraction between any E. X) A" S4 e/ Z* ]; Bwww2.tvboxnow.comtwo masses.www2.tvboxnow.com' r6 D1 L- M0 G1 @6 K$ U8 m( q
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Gosh, I got fooled by my HK Physics teacher many years ago.