mamasing

This is Not True公仔箱論壇: L$ s5 M9 I0 f. H8 N
(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
  u: O9 L! g  d, A2 [+ h% C5.39.217.77effect is not significant.  OK this explain the speed aspect.tvb now,tvbnow,bttvb# b3 I$ V7 x* Z
(b) Jumping direction: if you were in a car or a train carriage, you do not have a
; I+ m/ r$ y. Z5 Q公仔箱論壇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 公仔箱論壇6 d; r& k3 N/ s( h+ S0 p! N
landing impact.  Do  not forget to Roll when the body hit the ground.
2 r" H4 q2 \& j7 H- z(c) Make sure when you jump, you are facing the forward direction. If you are
) `+ G$ j- A+ }( Y0 M公仔箱論壇facing the away direction, the forward momentum will make you fall on the back 5.39.217.779 {4 \/ D2 g) `3 _% y% R
of your head first, it could be a fatal hit.公仔箱論壇8 I. q; M6 @$ G- t' z# r1 I
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"
) b! ]' D( R5 o) c& H2 k公仔箱論壇I doubt this is true.TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。/ }+ p+ e' p3 R: G) _9 u
If you are carrying a forward momentum and when the body/ object landed, the
% s6 d$ M0 d. C7 o* }! V7 s9 l, f! Umomentum will continue its direction unless affect by other external force. (Baisc公仔箱論壇% ~. r; Y: }: i! ?% z
Newton Law) ie. The body will continue to move forward, your forehead will hit 公仔箱論壇; L1 O1 H6 m' G5 d, y, B: X
the ground first unless you lean back when you jump off the moving object.