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. 5 N. _1 r+ w8 ]It must be a painful joruney. 2 d) v6 q: a7 t! T, v" Z2 ?Oh BTW, if your lecturer talks about "地心引力" in your Physics class. & ^" d9 O% ~& @I suggest you pack and pick other subject instead, if you really like Physics, 2 D% W! d' z1 i: K7 xtvb now,tvbnow,bttvbyou need to switch school.1 B) y" ~' Y) O# F1 z# j& Z8 X
There is no 地心引力, but "gravitational" force only. 9 y# I! L4 U( c- E' H) `公仔箱論壇A simple meaning of Gravitational force = the force of attraction between any $ ?0 i% Y5 j" a$ Y8 W" F# A
two masses. 4 R6 s% a2 d' L- k$ ^& E2 a9 \/ A% Z
Gosh, I got fooled by my HK Physics teacher many years ago.
