This is Not Truetvboxnow.com1 C! G3 x' b! I- H4 x! y! N
(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 tvboxnow.com" T; V z) \& \, ~
effect is not significant. OK this explain the speed aspect.tvboxnow.com9 t0 k' G5 D: |; f
(b) Jumping direction: if you were in a car or a train carriage, you do not have a 4 a/ R7 H/ b7 Z: }; l8 b% lTVBNOW 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。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 C. I7 u: u: y0 k1 A. q6 S公仔箱論壇landing impact. Do not forget to Roll when the body hit the ground.tvb now,tvbnow,bttvb0 d. A ?0 W+ _, a' i7 y/ ]; d3 _
(c) Make sure when you jump, you are facing the forward direction. If you are tvb now,tvbnow,bttvb4 x0 F. |$ x% l7 n: F
facing the away direction, the forward momentum will make you fall on the back ( c9 Y4 h- P* T2 ]& n% xof your head first, it could be a fatal hit. ( ]& n; {9 b3 Z+ q% u1 I2 aTVBNOW 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。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% [5 K4 H ?/ ^7 z
I doubt this is true.2 z, |8 C/ m1 `& J0 `3 i) R
If you are carrying a forward momentum and when the body/ object landed, the 5 `# W0 J, a! x+ w, Z) e dTVBNOW 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. (Baisc2 e4 ]: {* ?3 |: ]- R S
Newton Law) ie. The body will continue to move forward, your forehead will hit 0 F6 }# \) R* h u$ M5 D: X公仔箱論壇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
