I agree, I heard that astronaut cannot pee or shit while they are in space.6 ~6 u& s( M8 w0 y8 m/ j1 T
It must be a painful joruney.
! m- n) s4 }" A+ g) g4 Rwww2.tvboxnow.comOh BTW, if your lecturer talks about "地心引力" in your Physics class.tvb now,tvbnow,bttvb7 X6 C. a+ B5 j/ x8 c- ?
I suggest you pack and pick other subject instead, if you really like Physics,
: w0 L3 V+ f6 Qwww2.tvboxnow.comyou need to switch school.公仔箱論壇) m( }* b' R/ r% z
There is no 地心引力, but "gravitational" force only.公仔箱論壇- C5 d: P H/ ]/ _ s
A simple meaning of Gravitational force = the force of attraction between any ; r1 \0 G. ^" x
two masses.6 n5 }4 |! V9 \! e. S8 D: q
, v m0 Z& @* y c/ dGosh, I got fooled by my HK Physics teacher many years ago. |