This is Not True 6 O# i# w+ w% d: ](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 " s; L7 h/ U5 F" WTVBNOW 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。effect is not significant. OK this explain the speed aspect. , e, M9 @( }0 u- Z; W(b) Jumping direction: if you were in a car or a train carriage, you do not have a , }# _- s5 ?5 R7 W1 q8 S5.39.217.76choice 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 R2 z- ^. ]: r8 ^; \$ ^4 Hlanding impact. Do not forget to Roll when the body hit the ground.tvb now,tvbnow,bttvb8 i0 w; N# Z: T; o" D' D* T( P s" N
(c) Make sure when you jump, you are facing the forward direction. If you are ( r3 w6 ^' Z9 c2 t9 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。facing the away direction, the forward momentum will make you fall on the back 5 s9 W5 y( C( ?0 R; Ptvb now,tvbnow,bttvbof your head first, it could be a fatal hit. & R2 D& d! T1 Q5 f) H" m) AThis 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"* N d2 j& O' _4 D$ k3 [, J
I doubt this is true. 6 W7 S+ C+ J; z9 b; e" g) D- y6 A, i+ \! M公仔箱論壇If you are carrying a forward momentum and when the body/ object landed, the$ R5 |, w5 A0 N9 o, Q# D
momentum will continue its direction unless affect by other external force. (BaiscTVBNOW 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。) ~8 l- N5 G$ Z7 |
Newton Law) ie. The body will continue to move forward, your forehead will hit 公仔箱論壇' R1 R; h) L" U3 p
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
