This is Not True " A$ c# ^- m, M- K/ R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 0 |* l, f a! T1 ~
effect is not significant. OK this explain the speed aspect. & a$ i$ i4 ^& l3 stvb now,tvbnow,bttvb(b) Jumping direction: if you were in a car or a train carriage, you do not have a 5.39.217.77 Y' c3 B6 Q1 `3 ]
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 4 a) K+ l; X9 n+ T1 r公仔箱論壇landing impact. Do not forget to Roll when the body hit the ground. 3 m- `7 w6 y- @. e: Q! U5.39.217.77(c) Make sure when you jump, you are facing the forward direction. If you are & n6 f) o/ X9 c$ {facing the away direction, the forward momentum will make you fall on the back 8 l% u; s, m# M. [of your head first, it could be a fatal hit.tvb now,tvbnow,bttvb, l/ j! |5 O; }! d7 [# M6 ^
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" 0 f: `. x. p& K9 ^# l/ ]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 doubt this is true. * Y4 r! Y2 l1 j0 U% q; Q6 _1 `公仔箱論壇If you are carrying a forward momentum and when the body/ object landed, the 0 s4 ^# L7 |( b0 d6 l( p9 CTVBNOW 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 : \2 G9 I( c, Q公仔箱論壇Newton Law) ie. The body will continue to move forward, your forehead will hit 公仔箱論壇" z" [9 A( I+ m
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