I agree, I heard that astronaut cannot pee or shit while they are in space./ j- e, l6 N% q
It must be a painful joruney.
[) N- J# z) B* n3 V( ~8 O: ^www2.tvboxnow.comOh BTW, if your lecturer talks about "地心引力" in your Physics class.: z6 x+ @; p4 d+ f0 a
I suggest you pack and pick other subject instead, if you really like Physics,
) \# H& m& _# M0 N; j! Ntvb now,tvbnow,bttvbyou need to switch school.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 ~' R) p8 |& a
There is no 地心引力, but "gravitational" force only.
- c/ K7 d3 f# E; O) y: RA simple meaning of Gravitational force = the force of attraction between any
. }0 s; U5 l- ]. rtwo masses.
2 b+ `' o! B5 y; h0 h) {+ H# kwww2.tvboxnow.com( L9 O& M3 ` Z2 ?
Gosh, I got fooled by my HK Physics teacher many years ago. |