I agree, I heard that astronaut cannot pee or shit while they are in space.tvb now,tvbnow,bttvb- R% ~# p, V5 q# Z
It must be a painful joruney.) w8 |/ ]' F5 {8 T
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.www2.tvboxnow.com: C2 s0 T7 B, F( m7 o2 i* [2 @
I suggest you pack and pick other subject instead, if you really like Physics,
* C7 G8 Q# E1 e7 M8 c; l! i4 ~公仔箱論壇you need to switch school.' e, E5 ~* g- z( j# y @
There is no 地心引力, but "gravitational" force only.公仔箱論壇4 ~( b1 E0 \, ?. ^
A simple meaning of Gravitational force = the force of attraction between any 公仔箱論壇' r+ Y8 {/ J% r; s) W1 \
two masses.
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Gosh, I got fooled by my HK Physics teacher many years ago. |