mamasing

This is Not True5.39.217.77:8898; G5 |. t% d5 c, l& o) m
(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
! d3 u: L% f( D! C# a公仔箱論壇effect is not significant.  OK this explain the speed aspect.! j' y" g! g! W
(b) Jumping direction: if you were in a car or a train carriage, you do not have a
7 c3 w1 m( p3 G' p9 k# v9 g/ U; U3 lchoice 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
# s+ v# z" ]1 Z6 ~+ R  Hlanding impact.  Do  not forget to Roll when the body hit the ground.公仔箱論壇# A2 [" Z0 F1 K5 n
(c) Make sure when you jump, you are facing the forward direction. If you are 5.39.217.77:8898# g* e  j1 z4 }- e$ s
facing the away direction, the forward momentum will make you fall on the back tvb now,tvbnow,bttvb" Y, J: s7 X  A) C
of your head first, it could be a fatal hit.
& Z, m6 O8 U: ]- dThis 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"
0 ]) m% n$ \' o6 G& C5 j- D公仔箱論壇I doubt this is true.* m- |8 t% R. }1 A$ }
If you are carrying a forward momentum and when the body/ object landed, thetvb now,tvbnow,bttvb* ?: ]* D0 ?5 |- @, L3 K3 h! _( I
momentum will continue its direction unless affect by other external force. (Baisc
* a( c# i8 b$ {" W0 p8 sNewton Law) ie. The body will continue to move forward, your forehead will hit   q2 [9 q# s/ {9 H+ Q7 U
the ground first unless you lean back when you jump off the moving object.