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This is Not True
/ }' `( W: N% ]+ w3 `% G6 K% x4 r" Htvb now,tvbnow,bttvb(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 : }) p* K. J+ f9 O
effect is not significant.  OK this explain the speed aspect., X# M% X3 t) A: ], n
(b) Jumping direction: if you were in a car or a train carriage, you do not have a
$ |4 E# a0 R7 nchoice 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 tvb now,tvbnow,bttvb& e8 `3 I. a* G$ H
landing impact.  Do  not forget to Roll when the body hit the ground.公仔箱論壇; {/ a& O! o) g3 m1 n3 A
(c) Make sure when you jump, you are facing the forward direction. If you are
. l. m$ v* ~: Mfacing the away direction, the forward momentum will make you fall on the back
. s8 h( C+ A( D, k, C8 @9 b, Nwww3.tvboxnow.comof your head first, it could be a fatal hit.
# m- J6 w6 Y, hwww3.tvboxnow.comThis 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"
9 Y& |" k7 u! d# i* D. yI doubt this is true.* R0 l; [, S, S
If you are carrying a forward momentum and when the body/ object landed, the
3 k1 a5 j: p8 ~; s3 sTVBNOW 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; A6 r' X5 I* `0 {& R. D0 q
Newton Law) ie. The body will continue to move forward, your forehead will hit / u# K1 \/ j8 q: s
the ground first unless you lean back when you jump off the moving object.
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