mamasing

This is Not True
* y4 [  ]; t3 x(a) Unless you are travelling in extremely slow speed (5Km or less), otherwise your jump off speed is so slow in comparison to your forward speed.  The counter " Y+ f" K$ I+ `
effect is not significant.  OK this explain the speed aspect.
" o6 w" x( |! T" V( v+ ~(b) Jumping direction: if you were in a car or a train carriage, you do not have a ( n7 V0 P: ~+ j5 n. P5 y  n
choice whether you are jumping forward or backward. You can only jump iside way or best a 45 degree against the forward angle.  Either angle will affect your + K$ B) Q- g  {
landing impact.  Do  not forget to Roll when the body hit the ground.5.39.217.77:8898! R' j7 I/ @1 Q5 G- g& a4 A
(c) Make sure when you jump, you are facing the forward direction. If you are , K. ?4 r3 T9 D9 B4 U
facing the away direction, the forward momentum will make you fall on the back
, I' J: H2 K6 i" ?5 O: S! iof your head first, it could be a fatal hit.tvb now,tvbnow,bttvb- @* H. a  z2 [- o" O; w$ d" V& F
This is my 2 cents worth.

mamasing

"向前跳的話，著地的時候，身體會向後仰，後腦撞到的危機性較大，死亡率亦較高"公仔箱論壇/ I& C0 s; b: ], k
I doubt this is true.5.39.217.77:88983 D- z  j" V9 R3 A8 l- S% Q' o# o
If you are carrying a forward momentum and when the body/ object landed, the公仔箱論壇" I- }; v& I/ D9 r
momentum will continue its direction unless affect by other external force. (Baisc
/ K" N  c4 a, Y; @Newton Law) ie. The body will continue to move forward, your forehead will hit tvb now,tvbnow,bttvb# e# b2 o8 v6 {
the ground first unless you lean back when you jump off the moving object.