This is Not True 1 F' r% H1 R1 f, g7 ^(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 tvb now,tvbnow,bttvb" `4 w% I; L- o# x/ m8 ~& h) g/ q p
effect is not significant. OK this explain the speed aspect.tvb now,tvbnow,bttvb) [* a+ Z6 H$ F2 \
(b) Jumping direction: if you were in a car or a train carriage, you do not have a / i3 E+ |* |3 g! t- L6 k0 N. I9 K
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 # i- [ b" z. b% N! N公仔箱論壇landing impact. Do not forget to Roll when the body hit the ground. - b4 V' A( m. H' r- }; K(c) Make sure when you jump, you are facing the forward direction. If you are tvb now,tvbnow,bttvb: v& H% I# `$ a. P, W( ~
facing the away direction, the forward momentum will make you fall on the back 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。. [& n5 |0 L- v
of your head first, it could be a fatal hit.tvb now,tvbnow,bttvb( V) V) _9 N1 F6 {/ C t$ ?
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"5.39.217.77:8898& }" {4 H) W8 g7 N
I doubt this is true. / x, }* D( Q/ u4 Y5 O( @) G. \% 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。If you are carrying a forward momentum and when the body/ object landed, the公仔箱論壇. o) T6 R7 U E( b4 S2 b
momentum will continue its direction unless affect by other external force. (Baisc " D. [/ @+ ~1 j8 FTVBNOW 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。Newton Law) ie. The body will continue to move forward, your forehead will hit : _7 |3 t; J0 Q8 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。the 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
