I agree, I heard that astronaut cannot pee or shit while they are in space.
, q A3 I$ d; p& S7 I" g9 ltvb now,tvbnow,bttvbIt must be a painful joruney.www2.tvboxnow.com4 D M" x$ T1 [9 R
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.
8 e3 V& n# L3 S! N7 aI suggest you pack and pick other subject instead, if you really like Physics, 公仔箱論壇2 j7 F$ r5 O! |( e2 t9 E
you need to switch school.6 s4 k/ O& v8 ?3 k
There is no 地心引力, but "gravitational" force only.
1 w5 F% _4 _# M公仔箱論壇A simple meaning of Gravitational force = the force of attraction between any www2.tvboxnow.com8 {$ j) P# o: p( Y8 ^
two masses.www2.tvboxnow.com: `' E" \* g: k. D2 Y9 V" W1 U$ ~
tvb now,tvbnow,bttvb7 ?1 t% R, @1 X0 A ?/ |
Gosh, I got fooled by my HK Physics teacher many years ago. |