I agree, I heard that astronaut cannot pee or shit while they are in space.
# ]( r0 W$ _3 ^" y4 `8 e3 m% fIt must be a painful joruney.# L# Y- _- h4 Z4 j% k& z* o' P
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.
% k2 ? ?7 n4 ^7 {6 JI suggest you pack and pick other subject instead, if you really like Physics,
3 O: Y2 [& s: K5 wyou need to switch school.
3 P0 D. |* b% h) s+ Q$ n公仔箱論壇There is no 地心引力, but "gravitational" force only. e* h$ H5 H5 z; D' @) ?
A simple meaning of Gravitational force = the force of attraction between any
. P2 C9 j6 v t6 N0 ]6 ]) Itwo masses.
{* L0 T& M+ y6 U5.39.217.76
+ @; f6 A! C( d" O" z! FGosh, I got fooled by my HK Physics teacher many years ago. |