This is Not True + e% L+ @( Z% e公仔箱論壇(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 , y- M4 I9 E2 B2 ?/ @effect is not significant. OK this explain the speed aspect. & ~6 a9 b+ k" v! T4 L6 vtvb now,tvbnow,bttvb(b) Jumping direction: if you were in a car or a train carriage, you do not have a / Q) @. e) T# j, G. u8 U
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 1 s7 k- K1 h4 t' wos.tvboxnow.comlanding impact. Do not forget to Roll when the body hit the ground.' ~3 \4 R$ ]6 H
(c) Make sure when you jump, you are facing the forward direction. If you are 7 t. [: k. ~( B2 {7 } w- pfacing the away direction, the forward momentum will make you fall on the back $ n, L9 p& C6 Z+ G' s. H
of your head first, it could be a fatal hit.tvb now,tvbnow,bttvb& f. l8 O4 Q; Z7 `
This 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" ' e5 p6 D& {6 W5 }8 z9 Utvb now,tvbnow,bttvbI doubt this is true. - l8 ^: e) W+ ?( v7 h. N3 b8 MIf you are carrying a forward momentum and when the body/ object landed, thetvb now,tvbnow,bttvb8 k' W4 S5 s0 _$ W" {
momentum will continue its direction unless affect by other external force. (Baisc , W- I& x3 A4 h, UTVBNOW 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 ' O; w* b6 ]2 j8 rtvb now,tvbnow,bttvbthe 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
