This is Not True# G) {' `: n; b- y8 N7 ^7 Z6 ?- ^
(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 3 |0 w7 ~3 h6 ?& B公仔箱論壇effect is not significant. OK this explain the speed aspect.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。: ~$ t' Y" t4 K& m# v
(b) Jumping direction: if you were in a car or a train carriage, you do not have a " r8 ]6 ^6 P @www.tvboxnow.comchoice 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 f+ C, k( g( Z# K7 f3 i B1 Zwww.tvboxnow.comlanding impact. Do not forget to Roll when the body hit the ground.公仔箱論壇/ N! P3 m A3 {( K# R
(c) Make sure when you jump, you are facing the forward direction. If you are 7 R4 \1 q1 e9 k% q, m. a4 G, Rfacing the away direction, the forward momentum will make you fall on the back 公仔箱論壇. @ o3 q# @! @2 c9 y0 a
of your head first, it could be a fatal hit. & g" k k* ^: w6 {: u/ ^/ U6 L! RThis is my 2 cents worth.作者: mamasing 時間: 2007-4-25 03:31 PM
"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"tvb now,tvbnow,bttvb+ N* W! S; @+ h, ~% U9 z+ G
I doubt this is true. % @9 u) W% x2 z公仔箱論壇If you are carrying a forward momentum and when the body/ object landed, the * l# ^) p. k( k7 [2 w2 s$ x6 W5 W公仔箱論壇momentum will continue its direction unless affect by other external force. (Baisc ; d# \4 B8 Y+ X7 `; jwww.tvboxnow.comNewton Law) ie. The body will continue to move forward, your forehead will hit 9 s5 i( N! ]- k# YTVBNOW 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。the ground first unless you lean back when you jump off the moving object.作者: 光明的迷途 時間: 2007-4-25 09:03 PM
