"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"
* j) t! Z6 ?7 L$ h5 f4 Jtvb now,tvbnow,bttvbI doubt this is true.tvb now,tvbnow,bttvb7 k p' e- l( S1 ?, ~( w6 b
If you are carrying a forward momentum and when the body/ object landed, the
3 v* A5 [- N' e; x2 @tvb now,tvbnow,bttvbmomentum will continue its direction unless affect by other external force. (Baisctvb now,tvbnow,bttvb2 J; [! n! Z" z4 K+ b
Newton Law) ie. The body will continue to move forward, your forehead will hit
, H# @3 u. X0 B& [' Y% ~4 YTVBNOW 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. |