I agree, I heard that astronaut cannot pee or shit while they are in space.6 {; u* h. L) `
It must be a painful joruney.tvb now,tvbnow,bttvb. b0 _8 e) w' y0 h
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.
; r2 U8 H% f0 BTVBNOW 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。I suggest you pack and pick other subject instead, if you really like Physics, tvb now,tvbnow,bttvb% h/ V- ]- v$ D% f
you need to switch school.
' b* F' j4 u9 e6 Q! i7 kThere is no 地心引力, but "gravitational" force only.tvb now,tvbnow,bttvb4 I! I4 I) a; a
A simple meaning of Gravitational force = the force of attraction between any ) e$ C3 M. |8 Y& w
two masses.( [! p1 I$ h, x5 c H7 \- M
0 N+ t) J2 a' k9 ]www2.tvboxnow.comGosh, I got fooled by my HK Physics teacher many years ago. |