mamasing

This is Not True
" p8 z" a) p0 N, nTVBNOW 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。(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 s* E, M' s, R1 \effect is not significant.  OK this explain the speed aspect.
% ]+ r9 o) T4 M8 s. G, c9 xtvb now,tvbnow,bttvb(b) Jumping direction: if you were in a car or a train carriage, you do not have a 5.39.217.77:88983 i# t6 I3 d; X
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 公仔箱論壇" u/ F3 p3 h7 d: j3 ?8 g
landing impact.  Do  not forget to Roll when the body hit the ground.
/ I3 S, }8 a3 n(c) Make sure when you jump, you are facing the forward direction. If you are
& i9 d" [1 V' c& {9 a( P5.39.217.77:8898facing the away direction, the forward momentum will make you fall on the back ! D  a( E, L: Y; j& y; f, [1 }& e
of your head first, it could be a fatal hit.2 ~/ ?& U9 B  S, k- n' I' h
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"8 m  R8 i! h- ]% X, T6 y
I doubt this is true.
. f7 x4 [1 B) h( O7 `If you are carrying a forward momentum and when the body/ object landed, the% n! |! a  ^! ?' G/ p5 C8 K9 Y; n
momentum will continue its direction unless affect by other external force. (Baisc公仔箱論壇. @7 k4 S3 B* }' c/ k
Newton Law) ie. The body will continue to move forward, your forehead will hit 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。  f, G/ Q. s1 B' e& |% j& F0 I
the ground first unless you lean back when you jump off the moving object.