I agree, I heard that astronaut cannot pee or shit while they are in space.
% v; k2 e# E9 M: b% M9 lIt must be a painful joruney.5.39.217.77, x* x/ n& s [6 @
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.
! @2 E' t$ F7 D3 i4 T* htvb now,tvbnow,bttvbI suggest you pack and pick other subject instead, if you really like Physics, 5.39.217.776 I6 r' L8 k: j
you need to switch school., W" c K6 Z; `5 v
There is no 地心引力, but "gravitational" force only.5.39.217.771 t' o) M6 x$ {4 s9 o7 h. O
A simple meaning of Gravitational force = the force of attraction between any
5 J) s& \& s0 G' V9 y& e% htwo masses.tvb now,tvbnow,bttvb4 a9 c% w# H, \6 T0 v a/ Z2 h
tvb now,tvbnow,bttvb( }% o$ d; ~7 \0 C
Gosh, I got fooled by my HK Physics teacher many years ago. |
發表於 2007-4-25 12:23 AM
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