I agree, I heard that astronaut cannot pee or shit while they are in space.
% P& ]3 R' O, xIt must be a painful joruney. F5 G; r' F) V m4 O1 F
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.tvb now,tvbnow,bttvb9 p; R+ q( h/ T) S( x& c
I suggest you pack and pick other subject instead, if you really like Physics,
* f2 V4 B l" J2 q3 a/ ztvb now,tvbnow,bttvbyou need to switch school.公仔箱論壇% f+ j; d& ^5 G: d
There is no 地心引力, but "gravitational" force only.
# F: A: X: T9 Wwww2.tvboxnow.comA simple meaning of Gravitational force = the force of attraction between any 5 S/ L* y5 K; _- e2 i) e
two masses.
+ L% A/ {" A1 V1 h8 i3 h$ |tvb now,tvbnow,bttvb9 z8 J' Q$ V9 W% P! M8 E T7 `
Gosh, I got fooled by my HK Physics teacher many years ago. |