I agree, I heard that astronaut cannot pee or shit while they are in space.
/ _4 T7 E4 { e7 v公仔箱論壇It must be a painful joruney.
7 E* i/ @- t j7 e' }! R) j. h公仔箱論壇Oh BTW, if your lecturer talks about "地心引力" in your Physics class.TVBNOW 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。1 g, {: I) }+ e- F9 D( k
I suggest you pack and pick other subject instead, if you really like Physics, tvb now,tvbnow,bttvb3 T& F" D3 r) M
you need to switch school.www2.tvboxnow.com/ @- z9 z* S9 V
There is no 地心引力, but "gravitational" force only.( F9 s; }0 Q- E4 Y! k
A simple meaning of Gravitational force = the force of attraction between any 5 d3 \, w+ Y9 A$ K: x
two masses.公仔箱論壇" K) x' G) I! J: t
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Gosh, I got fooled by my HK Physics teacher many years ago. |