This is Not True * D. T$ F, X% M! m) G(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 , ~4 U/ L* e9 U) teffect is not significant. OK this explain the speed aspect., [3 I2 P) O% r) w6 z2 t& y9 C( J
(b) Jumping direction: if you were in a car or a train carriage, you do not have a tvb now,tvbnow,bttvb8 f* o i1 r2 l5 a2 `6 }; q
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 ; G9 [- c3 h. T; h# i( mlanding impact. Do not forget to Roll when the body hit the ground.. ~( q2 [' o2 k, N7 ^
(c) Make sure when you jump, you are facing the forward direction. If you are 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。0 d9 y3 P* B! K( z+ q
facing the away direction, the forward momentum will make you fall on the back P$ _1 p' E e$ {' w) H& U. kTVBNOW 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。of your head first, it could be a fatal hit.tvb now,tvbnow,bttvb( b0 W* i' ]8 _% E( p
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" 6 `& N: ?# g% I0 rtvb now,tvbnow,bttvbI doubt this is true.tvb now,tvbnow,bttvb1 `$ Q) Q5 K* a7 l) Z: @
If you are carrying a forward momentum and when the body/ object landed, the 9 G% Y# _9 Z! M: B* c; E3 Z公仔箱論壇momentum will continue its direction unless affect by other external force. (Baisc公仔箱論壇& p; b1 u0 d# R. P& Z0 U
Newton Law) ie. The body will continue to move forward, your forehead will hit ' I; y3 }7 O5 o" s8 Ewww3.tvboxnow.comthe 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
