I agree, I heard that astronaut cannot pee or shit while they are in space.
' f& B" _6 L4 l7 o- JTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。It must be a painful joruney.
9 v! b' _% n r) nOh BTW, if your lecturer talks about "地心引力" in your Physics class.
" g ^( H) h6 {/ W: x& RI suggest you pack and pick other subject instead, if you really like Physics,
M. x- V8 v' y# w, B3 Ryou need to switch school., p! ^& v0 F4 ~# P( J1 c6 D
There is no 地心引力, but "gravitational" force only.
: x! q8 q% }5 {7 g4 N8 |tvb now,tvbnow,bttvbA simple meaning of Gravitational force = the force of attraction between any
2 C% y: r9 J: r9 A! q6 s/ b" ttwo masses.
1 }, f9 U4 s( K7 G! X
9 Y- h3 g" m. }; IGosh, I got fooled by my HK Physics teacher many years ago. |
發表於 2007-4-25 12:23 AM
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