This is Not Truewww.tvboxnow.com/ \3 U1 T$ i2 T
(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 6 V' B+ z3 _0 P5 _8 t/ M3 d9 [' n3 C
effect is not significant. OK this explain the speed aspect. % a9 K u4 @9 Z6 @公仔箱論壇(b) Jumping direction: if you were in a car or a train carriage, you do not have a 5 A+ G, s" B6 K! f: i: c9 ]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。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 $ ?" t% ]0 O' Y: r9 \landing impact. Do not forget to Roll when the body hit the ground. }. U( D8 }& mTVBNOW 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。(c) Make sure when you jump, you are facing the forward direction. If you are www.tvboxnow.com# g3 G! z8 m6 J1 c9 R
facing the away direction, the forward momentum will make you fall on the back 公仔箱論壇! {* t! P$ Q( C: T \% y S
of your head first, it could be a fatal hit.tvb now,tvbnow,bttvb" m; _7 k. f* E4 U
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" " @1 ^: W2 }# D i! ^' u7 S" J公仔箱論壇I doubt this is true. ' G% f( f) b* N* w3 C公仔箱論壇If you are carrying a forward momentum and when the body/ object landed, the8 I4 D( o( Y# e. Q7 S6 o
momentum will continue its direction unless affect by other external force. (Baisc / D2 c& A s7 n; \, ETVBNOW 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 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。2 Z: J8 X/ d: x. a2 f3 A) z
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
