I agree, I heard that astronaut cannot pee or shit while they are in space.
0 T) X3 ?* E+ H% D( rIt must be a painful joruney.
& `! z) _5 t3 H7 h0 j公仔箱論壇Oh BTW, if your lecturer talks about "地心引力" in your Physics class.tvb now,tvbnow,bttvb; U' Q& X$ }; H6 ^3 X/ E
I suggest you pack and pick other subject instead, if you really like Physics, - {* `/ D# e9 Z, ^
you need to switch school.www2.tvboxnow.com i) u- ?/ `* H3 x
There is no 地心引力, but "gravitational" force only.
' q0 M' ]( A' }( GA simple meaning of Gravitational force = the force of attraction between any
, r* ?2 T8 e) o! p3 v+ k6 atwo masses.
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2 T1 e8 s4 H/ [3 I) ~/ Z# qGosh, I got fooled by my HK Physics teacher many years ago. |