mamasing

This is Not True
7 C* X6 D$ z1 z, E& W(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
! q2 O9 R" L4 E, J) g8 ?9 X, \公仔箱論壇effect is not significant.  OK this explain the speed aspect.
/ t4 z8 r6 H# [* \( a1 ~公仔箱論壇(b) Jumping direction: if you were in a car or a train carriage, you do not have a
7 Q% o% r# m8 e* S; J% M5.39.217.76choice 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 5.39.217.76' X8 T) b- d" e% `1 f
landing impact.  Do  not forget to Roll when the body hit the ground.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。% I4 J6 U& ]. |/ I4 ~7 r
(c) Make sure when you jump, you are facing the forward direction. If you are 5.39.217.76. l  e" g( W- u/ ~4 q1 j/ |
facing the away direction, the forward momentum will make you fall on the back
3 w9 y8 w  w, ]& sof your head first, it could be a fatal hit.
/ Q+ P1 e7 j+ T% d/ @. [/ oTVBNOW 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。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"
- N0 d3 x7 F/ f7 R% ATVBNOW 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。I doubt this is true.tvb now,tvbnow,bttvb9 ]/ k6 i; a, F) q3 p/ W
If you are carrying a forward momentum and when the body/ object landed, the
9 P- ?: Y$ P& Mtvb now,tvbnow,bttvbmomentum will continue its direction unless affect by other external force. (Baisc
- }/ G0 R& I1 N2 ]$ M% DTVBNOW 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。Newton Law) ie. The body will continue to move forward, your forehead will hit
5 Y  A: \1 W9 q/ y. d& Uthe ground first unless you lean back when you jump off the moving object.