"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"' ?+ z3 j* U# ]7 g8 }1 W, k
I doubt this is true.
* }; A0 U( v- f* B% NIf you are carrying a forward momentum and when the body/ object landed, the5.39.217.77:8898, ]( f3 r4 @$ ?, C
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。% H$ f3 D3 W, C1 t) h* l
Newton Law) ie. The body will continue to move forward, your forehead will hit tvb now,tvbnow,bttvb v8 R* V& b5 t# h# q1 A5 \6 v
the ground first unless you lean back when you jump off the moving object. |