mamasing

This is Not True
& q( W% B* i4 |9 }8 z3 k(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 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。: J, z5 L: g0 I8 _, J& s+ [
effect is not significant.  OK this explain the speed aspect.tvb now,tvbnow,bttvb8 v+ U2 x3 R4 K, T5 I
(b) Jumping direction: if you were in a car or a train carriage, you do not have a
3 O+ L% d$ l. ~& Zchoice 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
0 B3 s2 t* O. x" d+ \" F  mlanding impact.  Do  not forget to Roll when the body hit the ground.
1 J: V( y2 P' ^1 E! Q公仔箱論壇(c) Make sure when you jump, you are facing the forward direction. If you are
+ M$ \6 C# f% S/ L: nfacing the away direction, the forward momentum will make you fall on the back 5.39.217.76/ D/ v+ V3 F  n% K
of your head first, it could be a fatal hit.
- A8 `8 y& h9 K8 JTVBNOW 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"5.39.217.76. l8 M3 h% L" E) W4 ^; \! k
I doubt this is true.6 W/ r( U: r5 t
If you are carrying a forward momentum and when the body/ object landed, the
2 g: [0 |3 s" I( ~- ^公仔箱論壇momentum will continue its direction unless affect by other external force. (Baisc
$ D6 G0 Z- L  m/ z) a公仔箱論壇Newton Law) ie. The body will continue to move forward, your forehead will hit
4 H! l+ y$ T. qthe ground first unless you lean back when you jump off the moving object.