mamasing

This is Not True5.39.217.77& _2 g( {# X" 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 1 M6 B$ M* d9 i4 T/ B9 h1 Q& W- H
effect is not significant.  OK this explain the speed aspect.6 @) v! I7 x0 f0 q7 a
(b) Jumping direction: if you were in a car or a train carriage, you do not have a - ?+ }' [( z. a& p+ `
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
  w1 \+ T1 c2 U# n+ f. Qtvb now,tvbnow,bttvblanding impact.  Do  not forget to Roll when the body hit the ground.
- H( R$ m2 B. R% jtvb now,tvbnow,bttvb(c) Make sure when you jump, you are facing the forward direction. If you are 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。  ]9 f( S1 j& `, m5 O' i
facing the away direction, the forward momentum will make you fall on the back 3 l8 u  ]$ G+ T6 n2 h* b* @* C
of your head first, it could be a fatal hit.
; _; j8 Z# b/ b/ S" m/ ~5 f- l8 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。This 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"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。" @4 h" b1 V, T$ ~# C: y2 y
I doubt this is true.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。7 g$ x0 ]* V" L" U  |& K; z) c
If you are carrying a forward momentum and when the body/ object landed, the5.39.217.77+ c' s! P* P  d+ d9 ^/ ^
momentum will continue its direction unless affect by other external force. (Baisc
* T; \# U3 E. S$ s2 o4 C( d+ PNewton Law) ie. The body will continue to move forward, your forehead will hit
. l) z* J2 i& d  l" U% c$ y- s5.39.217.77the ground first unless you lean back when you jump off the moving object.