I agree, I heard that astronaut cannot pee or shit while they are in space.& B4 y. Q8 m% F7 g, l0 B
It must be a painful joruney.公仔箱論壇 U, y/ j6 U" p
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.www3.tvboxnow.com, I$ c2 M+ ^' J5 g4 N3 A2 l
I suggest you pack and pick other subject instead, if you really like Physics,
) m; U! f0 ?, k9 o8 |% Wtvb now,tvbnow,bttvbyou need to switch school.公仔箱論壇+ t# V3 y6 Y# i: m$ w
There is no 地心引力, but "gravitational" force only.6 k4 V# \6 u. m4 g. ~: f+ H
A simple meaning of Gravitational force = the force of attraction between any
# F7 @6 `) ?, w1 L: g0 Qtvb now,tvbnow,bttvbtwo masses.
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5 m3 p% v/ w9 ?Gosh, I got fooled by my HK Physics teacher many years ago. |