This is Not True , j) r' G9 q4 N7 w3 f/ M3 G/ j! @3 Htvb now,tvbnow,bttvb(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 . m: ?% V' j. R- M& k
effect is not significant. OK this explain the speed aspect. ; B) j7 U; K% q(b) Jumping direction: if you were in a car or a train carriage, you do not have a " Z' T5 O; x7 q: Vchoice 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,bttvb, L7 p* ^) ?/ {
landing impact. Do not forget to Roll when the body hit the ground. - R4 o$ s5 B: ~$ _tvboxnow.com(c) Make sure when you jump, you are facing the forward direction. If you are % s4 s8 S Z# l+ ?* N' G f+ X) J公仔箱論壇facing the away direction, the forward momentum will make you fall on the back 公仔箱論壇0 R/ Y" P0 y( d5 h# W# p: _
of your head first, it could be a fatal hit.3 w% U1 h! h: i
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" & W0 m8 `/ }- ?8 ^0 q公仔箱論壇I doubt this is true. : A$ G F4 \# y2 E# r+ e, Utvb now,tvbnow,bttvbIf you are carrying a forward momentum and when the body/ object landed, the" `# O$ O/ ]2 b
momentum will continue its direction unless affect by other external force. (Baisc公仔箱論壇; n$ |& a2 \" G) W# i. \+ x' P
Newton Law) ie. The body will continue to move forward, your forehead will hit - a3 k5 h& T* I) B3 x$ L7 V& Mthe 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
