I agree, I heard that astronaut cannot pee or shit while they are in space.
) c: s# @- q+ [8 ~' s/ ~; }/ KIt must be a painful joruney.公仔箱論壇! c3 O. Q; C; E; J* k* \
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.
, f; J. J0 {" {, C ]tvb now,tvbnow,bttvbI suggest you pack and pick other subject instead, if you really like Physics,
; h% u6 K+ q C- \. A* W, Ayou need to switch school.) C( b- `# _7 n" O! o6 V* m1 ?
There is no 地心引力, but "gravitational" force only.
3 E( K& p! b# v8 l3 Nwww2.tvboxnow.comA simple meaning of Gravitational force = the force of attraction between any
- H8 j0 p- H& I* a公仔箱論壇two masses.5 }: y* m, l: _2 _0 J1 K5 Q- d
. a$ F# |, d4 _) qwww2.tvboxnow.comGosh, I got fooled by my HK Physics teacher many years ago. |