mamasing

This is Not True
' q* b" E; ^( t! A4 b( |1 }  X(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
: P; t. l* l3 o% B, d, k3 s/ feffect is not significant.  OK this explain the speed aspect.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。! v# ~' u4 {$ L& j
(b) Jumping direction: if you were in a car or a train carriage, you do not have a
: K  c0 w4 y6 y) v* o& W; `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。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 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。3 n; k6 H0 i9 M$ \: d& X% G" [5 K
landing impact.  Do  not forget to Roll when the body hit the ground.
3 q+ p6 S$ M% v: L3 K(c) Make sure when you jump, you are facing the forward direction. If you are & F- A8 m5 |, X9 P9 O
facing the away direction, the forward momentum will make you fall on the back tvb now,tvbnow,bttvb4 N. j: m5 {7 f, H. M
of your head first, it could be a fatal hit.
, `, [9 s7 D7 R2 ZThis is my 2 cents worth.

mamasing

"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"
  Q) ?8 G; k9 s$ q- |/ ]. ETVBNOW 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.tvb now,tvbnow,bttvb5 E/ Y$ n# {( |
If you are carrying a forward momentum and when the body/ object landed, the
  C; b9 y8 j8 e6 x- umomentum will continue its direction unless affect by other external force. (Baisc+ e9 d  f" f8 o" w5 W
Newton Law) ie. The body will continue to move forward, your forehead will hit 2 p1 i% p' U; G* @& y
the ground first unless you lean back when you jump off the moving object.