This is Not True公仔箱論壇) u$ Y/ z+ n( {# J0 I( v
(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。' @5 Y# L. G H' Y" C% t
effect is not significant. OK this explain the speed aspect. ) C4 k1 \% ?8 R( o3 ftvb now,tvbnow,bttvb(b) Jumping direction: if you were in a car or a train carriage, you do not have a 5.39.217.76& f8 q$ M- @% a: w2 S* 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 5.39.217.76. N! K9 b) a2 F+ N
landing impact. Do not forget to Roll when the body hit the ground.5.39.217.76: U4 K# x7 N' w a
(c) Make sure when you jump, you are facing the forward direction. If you are # U! m+ u2 V* u5 q u/ @
facing the away direction, the forward momentum will make you fall on the back tvb now,tvbnow,bttvb7 l# a: H5 i" C7 E7 |
of your head first, it could be a fatal hit.公仔箱論壇1 j* W5 h( u0 }; k5 i
This is my 2 cents worth.作者: mamasing 時間: 2007-4-25 03:31 PM
"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"7 q: i D7 v9 K" U5 L5 w. H
I doubt this is true. : S" p* r3 L. P+ |( ^9 R% Stvb now,tvbnow,bttvbIf you are carrying a forward momentum and when the body/ object landed, the , _7 p2 d- p& {8 ^3 t( {5 ?+ rTVBNOW 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. (Baisctvb now,tvbnow,bttvb8 c7 N8 \# j0 u1 n) r+ i; K4 Q
Newton Law) ie. The body will continue to move forward, your forehead will hit / f$ W5 c1 A6 ]# t! Rthe ground first unless you lean back when you jump off the moving object.作者: 光明的迷途 時間: 2007-4-25 09:03 PM
