"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"公仔箱論壇, h+ E) |% {' a2 Q# a
I doubt this is true.
; x' U1 `- V$ r8 Qtvb now,tvbnow,bttvbIf you are carrying a forward momentum and when the body/ object landed, thetvb now,tvbnow,bttvb. @0 W7 E: f: \
momentum will continue its direction unless affect by other external force. (BaiscTVBNOW 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。/ Y, Y' O1 z1 V5 I6 s
Newton Law) ie. The body will continue to move forward, your forehead will hit tvb now,tvbnow,bttvb5 g0 f1 F4 [+ J) f
the ground first unless you lean back when you jump off the moving object. |