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. n" V* a; G. E p& I- V公仔箱論壇It must be a painful joruney. " v1 e; x9 w6 `0 y0 c# oOh BTW, if your lecturer talks about "地心引力" in your Physics class. $ {% P8 U* Y2 N+ o: s$ y公仔箱論壇I suggest you pack and pick other subject instead, if you really like Physics, 公仔箱論壇, C' b F$ X+ k0 S/ b
you need to switch school.公仔箱論壇/ a# J$ t8 Y# N" Z8 H) h3 `9 y
There is no 地心引力, but "gravitational" force only. : H1 ]! j% R4 p9 o6 j6 B4 ^公仔箱論壇A simple meaning of Gravitational force = the force of attraction between any 3 G% Z- T- s6 \7 i' Q: b' ?0 o3 Gtwo masses. ) C6 f4 K8 r1 X$ p0 G) }# F 2 I9 S& D8 @2 ~7 C6 e+ k5 k9 SGosh, I got fooled by my HK Physics teacher many years ago.
