I agree, I heard that astronaut cannot pee or shit while they are in space.
3 T+ n' a0 c9 e3 b" JIt must be a painful joruney.
! p Z, O/ @+ `1 ^* W, bwww2.tvboxnow.comOh BTW, if your lecturer talks about "地心引力" in your Physics class.公仔箱論壇1 v# a9 N. N @: [
I suggest you pack and pick other subject instead, if you really like Physics,
) o1 X9 E# }1 v: z" g0 _0 g7 z( Rtvb now,tvbnow,bttvbyou need to switch school.% Q) b! {# m- x' N
There is no 地心引力, but "gravitational" force only.公仔箱論壇+ ^) g; Z3 I- ]* F3 G1 `4 }
A simple meaning of Gravitational force = the force of attraction between any
! f& `; D! c0 d" \3 }& Twww2.tvboxnow.comtwo masses.www2.tvboxnow.com( `7 G. H8 R/ K. D1 H4 V. U" T
* I, f5 R& o# L公仔箱論壇Gosh, I got fooled by my HK Physics teacher many years ago. |