I agree, I heard that astronaut cannot pee or shit while they are in space.tvb now,tvbnow,bttvb, J% l+ j o8 I5 ~* H, a
It must be a painful joruney.
3 E' ^4 I. s1 t: AOh BTW, if your lecturer talks about "地心引力" in your Physics class.TVBNOW 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。0 s# I6 w& u& M( W3 ]
I suggest you pack and pick other subject instead, if you really like Physics,
* P6 E" Z: ~ m1 o公仔箱論壇you need to switch school.
) O7 S1 X, P( h+ F& {. O g/ `3 v' PThere is no 地心引力, but "gravitational" force only.
p& G3 @7 g6 i+ m9 }tvb now,tvbnow,bttvbA simple meaning of Gravitational force = the force of attraction between any 5.39.217.76( k9 d- C, N% o) V
two masses.
+ t4 u/ M% I0 V$ Q5.39.217.76, ~& Q: U/ X- a3 _5 b5 P* T$ K
Gosh, I got fooled by my HK Physics teacher many years ago. |