I agree, I heard that astronaut cannot pee or shit while they are in space.
% z' D0 B# _7 m" Q4 [4 h# ]/ a0 NIt must be a painful joruney.
# M' u* q3 r2 }8 Z* vOh BTW, if your lecturer talks about "地心引力" in your Physics class.
, s# w4 `3 }$ |7 }- [& @. }I suggest you pack and pick other subject instead, if you really like Physics, tvb now,tvbnow,bttvb2 P+ \+ e0 \9 \1 x' s7 I
you need to switch school.
1 G7 @" o/ K/ w! m. N4 H% ATVBNOW 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。There is no 地心引力, but "gravitational" force only.5.39.217.778 l+ V; Q4 z5 C
A simple meaning of Gravitational force = the force of attraction between any ' w2 b2 D7 D8 Q! t% ^; r
two masses.. A+ Z6 k U2 j7 f2 X- h+ F5 L
" ]: B% B' E, Y: c( `2 m! O1 htvb now,tvbnow,bttvbGosh, I got fooled by my HK Physics teacher many years ago. |