I agree, I heard that astronaut cannot pee or shit while they are in space.
' _1 a! _* U, ?3 o+ F. cIt must be a painful joruney.
% }7 A% Q) `2 S2 J @2 L( L' u公仔箱論壇Oh BTW, if your lecturer talks about "地心引力" in your Physics class.
. q! Z; x8 A5 S+ N7 Q) ?. c% Lwww3.tvboxnow.comI suggest you pack and pick other subject instead, if you really like Physics,
) M% J+ ^- B. ^/ R: atvb now,tvbnow,bttvbyou need to switch school.tvb now,tvbnow,bttvb+ H: d2 f6 P4 v; ^( ]! M
There is no 地心引力, but "gravitational" force only.
/ V0 X5 h/ K0 p/ H公仔箱論壇A simple meaning of Gravitational force = the force of attraction between any
( Y7 y- m( N. x7 Q8 \3 f6 Dwww3.tvboxnow.comtwo masses.
/ B' ^3 K/ R3 e0 C |5 ~公仔箱論壇
: F: l) v8 u' {/ e$ Btvb now,tvbnow,bttvbGosh, I got fooled by my HK Physics teacher many years ago. |
發表於 2007-4-25 12:23 AM
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