mamasing

This is Not True
9 z6 u  h' S( t# d& k8 Q8 Q( Q(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 ( k0 H) V- i: Y& w
effect 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。& ?9 k: D2 N; Z* T. U
(b) Jumping direction: if you were in a car or a train carriage, you do not have a ; U1 B: i0 P2 s+ V, }6 h2 o5 h
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
7 T# u2 b2 C$ X; {. ?& f7 f. m! s; ~, Rlanding impact.  Do  not forget to Roll when the body hit the ground.
: q% i9 u  w& v: FTVBNOW 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。(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。% J9 B! g! D9 a, ^6 x' B
facing the away direction, the forward momentum will make you fall on the back
4 m9 z4 L1 P! @+ R2 _' D! ~" BTVBNOW 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。of your head first, it could be a fatal hit.
: Y* o5 X  t2 L0 {os.tvboxnow.comThis 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"公仔箱論壇; N! g6 I' J9 g  F
I doubt this is true.
8 R3 m( T/ ?% z( ^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。If you are carrying a forward momentum and when the body/ object landed, the
% G6 A! }7 p' ?: B$ w" c7 W/ Q/ HTVBNOW 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. (Baisc
- y4 [8 D% f2 j; s公仔箱論壇Newton Law) ie. The body will continue to move forward, your forehead will hit * D+ G, G, d7 M0 `. x* L+ e/ B* s
the ground first unless you lean back when you jump off the moving object.