I agree, I heard that astronaut cannot pee or shit while they are in space.! J+ z9 C1 c& S& N/ ^
It must be a painful joruney.www2.tvboxnow.com L6 s: V, G \* n3 d: C
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.
) F% `. a* e- R公仔箱論壇I suggest you pack and pick other subject instead, if you really like Physics,
8 O. J9 s& Z8 g0 J公仔箱論壇you need to switch school.
0 N) M# ^, X/ Q9 a4 vTVBNOW 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。There is no 地心引力, but "gravitational" force only.tvb now,tvbnow,bttvb9 O0 E5 D% Y |- S1 H) f" x
A simple meaning of Gravitational force = the force of attraction between any tvb now,tvbnow,bttvb& B: g: H2 }2 f5 |) o! x4 C
two masses.
/ l! B4 a5 e' G, W6 W, \/ rtvb now,tvbnow,bttvb& v: Z0 f" ^2 r+ ^; F6 g; \, Z% ^3 E
Gosh, I got fooled by my HK Physics teacher many years ago. |