This is Not True- H$ N) E7 a: F# R2 m
(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 / |2 O4 Z! @5 xTVBNOW 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. 7 {5 q) o5 F) u, ktvb now,tvbnow,bttvb(b) Jumping direction: if you were in a car or a train carriage, you do not have a 2 t! B2 d, i3 _; s2 i2 F4 rchoice 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 ! g9 g; b* m. |" O5 _landing impact. Do not forget to Roll when the body hit the ground. 3 Q, @' E: G/ r/ v! o(c) Make sure when you jump, you are facing the forward direction. If you are 9 v0 |+ \* m: S+ k3 R公仔箱論壇facing the away direction, the forward momentum will make you fall on the back 公仔箱論壇8 g' I7 W9 S5 s- k. V2 e8 P; r" G# T
of your head first, it could be a fatal hit. 1 @6 @& p8 ^* z9 A6 n! T8 o: w0 g1 T公仔箱論壇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"tvb now,tvbnow,bttvb' Y( r- w/ Q$ W" D3 _6 M
I doubt this is true.www2.tvboxnow.com" Y$ j, O% P& k5 i
If you are carrying a forward momentum and when the body/ object landed, the$ P6 G. m/ I$ J# A" \1 K7 K# F, U" v
momentum will continue its direction unless affect by other external force. (Baisc ; ]/ \! Z2 `, q7 {Newton Law) ie. The body will continue to move forward, your forehead will hit 公仔箱論壇! n. ]3 ?, V/ x( _7 W
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
