I agree, I heard that astronaut cannot pee or shit while they are in space.
2 [5 N& L. R, D# j# `+ c7 T4 htvb now,tvbnow,bttvbIt must be a painful joruney.
- v9 k& @, H- v4 l# uOh BTW, if your lecturer talks about "地心引力" in your Physics class.公仔箱論壇9 m& ~9 t c8 O7 U! W& h4 P3 C
I suggest you pack and pick other subject instead, if you really like Physics,
~1 r! _2 {6 v# d# dyou need to switch school.
7 {5 s" D, K' h9 h; I- x% v- i* b3 E6 MThere is no 地心引力, but "gravitational" force only.www1.tvboxnow.com% ?( R% j9 c0 O
A simple meaning of Gravitational force = the force of attraction between any
$ |% K5 C+ g7 R( M8 G6 `tvb now,tvbnow,bttvbtwo masses.
% b) E3 A# _: [2 Z* ~www1.tvboxnow.com
4 h/ I5 u! _4 x% x+ M) P公仔箱論壇Gosh, I got fooled by my HK Physics teacher many years ago. |
發表於 2007-4-25 12:23 AM
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