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This is Not Truetvb now,tvbnow,bttvb' R+ I  f$ V7 {$ G' c- 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
5 g# R& p, L; |, L! G& r5 ]tvb now,tvbnow,bttvbeffect is not significant.  OK this explain the speed aspect.www2.tvboxnow.com- J3 |( `  f. m8 u3 [2 T9 Q
(b) Jumping direction: if you were in a car or a train carriage, you do not have a
( f7 h" k) g. ^) L& I8 Itvb now,tvbnow,bttvbchoice 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
( g8 p& d  y6 U  mtvb now,tvbnow,bttvblanding impact.  Do  not forget to Roll when the body hit the ground.
: W# H; p3 N1 X0 t8 m1 ^, I(c) Make sure when you jump, you are facing the forward direction. If you are 公仔箱論壇- z1 G: a/ G# I8 r6 s
facing the away direction, the forward momentum will make you fall on the back
. L4 B6 W4 o$ E) h. ^5 }8 Otvb now,tvbnow,bttvbof your head first, it could be a fatal hit.
9 d1 V4 j+ S1 L/ M/ 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。This is my 2 cents worth.
"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"
6 P; _2 E& J2 j$ ?' bI doubt this is true.. J: y" \& F/ A/ L! g, Q" n) N3 R
If you are carrying a forward momentum and when the body/ object landed, the
2 l7 i3 ?- v# w7 X9 }momentum will continue its direction unless affect by other external force. (Baisc
* y! ]% S+ G& c! F& ANewton Law) ie. The body will continue to move forward, your forehead will hit 4 ]* {) l) O. G5 [2 f
the ground first unless you lean back when you jump off the moving object.
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