I agree, I heard that astronaut cannot pee or shit while they are in space.$ |7 ] u6 Q6 f$ s1 k* X) e
It must be a painful joruney.
/ n4 a+ X, v/ }7 j公仔箱論壇Oh BTW, if your lecturer talks about "地心引力" in your Physics class.
, F- |) T. W: T0 h6 M3 \I suggest you pack and pick other subject instead, if you really like Physics,
k3 R- i( }( J. G6 `3 {tvb now,tvbnow,bttvbyou need to switch school.www2.tvboxnow.com' g" [# @: w v
There is no 地心引力, but "gravitational" force only.
8 ] {; N" n8 k' ~$ D) eA simple meaning of Gravitational force = the force of attraction between any 公仔箱論壇5 z5 ]; L; M1 j0 J3 g& t
two masses.
# A5 m- v P9 J# l1 I6 Gtvb now,tvbnow,bttvb" w( k, {% j3 Y
Gosh, I got fooled by my HK Physics teacher many years ago. |