I agree, I heard that astronaut cannot pee or shit while they are in space.
: _" Q8 o% F3 E0 Q8 Z9 v. [- VIt must be a painful joruney.
- Y% Z4 U5 A+ o9 C4 R/ d- x& E公仔箱論壇Oh BTW, if your lecturer talks about "地心引力" in your Physics class.
( U" |6 J9 S1 TI suggest you pack and pick other subject instead, if you really like Physics,
% N2 `- T% \% N; V |you need to switch school.
- T. d2 H* J2 S& @tvb now,tvbnow,bttvbThere is no 地心引力, but "gravitational" force only.公仔箱論壇; ~; u$ C4 {7 { J: D0 l
A simple meaning of Gravitational force = the force of attraction between any
( ?2 [: d7 f' otvb now,tvbnow,bttvbtwo masses.
# I s; U. h) ]+ D5 |4 N$ Xtvb now,tvbnow,bttvb5 o& u, P3 F8 M2 o" g
Gosh, I got fooled by my HK Physics teacher many years ago. |