mamasing

This is Not True
# t5 ^% R% R& \: Zwww3.tvboxnow.com(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 9 l: W/ L1 j5 {: n3 z5 z
effect is not significant.  OK this explain the speed aspect.公仔箱論壇5 j1 p/ _4 F5 H# H
(b) Jumping direction: if you were in a car or a train carriage, you do not have a 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。  I+ C" r% U2 T. S
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 tvb now,tvbnow,bttvb6 z$ q- G1 \; v1 A9 e  E* }
landing impact.  Do  not forget to Roll when the body hit the ground.www3.tvboxnow.com- n, p( U3 h: b  F! F# T* e
(c) Make sure when you jump, you are facing the forward direction. If you are
* V& k; E* B/ g; H" f$ s- ^tvb now,tvbnow,bttvbfacing the away direction, the forward momentum will make you fall on the back
5 ^5 D! P( U4 I. P9 U) z6 I: VTVBNOW 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。of your head first, it could be a fatal hit.5 I4 x! Z! A, i" ?) u
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"
7 E2 ]% U' a1 {公仔箱論壇I doubt this is true.
$ f1 }0 ]6 I; j, {4 _, h公仔箱論壇If you are carrying a forward momentum and when the body/ object landed, the
& T5 R6 r" Q% g7 z( D$ 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。momentum will continue its direction unless affect by other external force. (Baisc
5 X' M) D* J2 Q' H3 O+ GTVBNOW 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
( I% ]$ j) X" s& I公仔箱論壇the ground first unless you lean back when you jump off the moving object.