This is Not True公仔箱論壇8 F1 N: k6 `: t* H$ U2 f$ k; ]
(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/ u1 u/ u+ G# G, g( h5 e0 p
effect is not significant. OK this explain the speed aspect. 5 d% Y7 X1 |; p* ztvb now,tvbnow,bttvb(b) Jumping direction: if you were in a car or a train carriage, you do not have a 公仔箱論壇7 X; N r( u" w4 r2 u3 J8 x+ x& C
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 0 l9 I0 p" q( ^; Vlanding impact. Do not forget to Roll when the body hit the ground.tvb now,tvbnow,bttvb/ l0 R2 b( c/ K! ^2 B
(c) Make sure when you jump, you are facing the forward direction. If you are 公仔箱論壇; q I2 |8 u3 i 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。: T$ i( z$ z; [: d( ~
of your head first, it could be a fatal hit.: w2 j9 U f# D4 G
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"+ ?. s3 ?; a/ {
I doubt this is true. 8 N6 U( ^! P4 Ktvb now,tvbnow,bttvbIf you are carrying a forward momentum and when the body/ object landed, theTVBNOW 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。' E' Z; K3 c2 I, u0 c7 C/ I1 k
momentum will continue its direction unless affect by other external force. (Baisc & \1 d3 ^( }+ N7 ~( {8 d" G6 r4 Ntvb now,tvbnow,bttvbNewton Law) ie. The body will continue to move forward, your forehead will hit 6 F: x' l" O3 u0 G( F, [% CTVBNOW 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
