"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"
) T& z, ^! u1 U# Y' U7 d' FI doubt this is true.tvb now,tvbnow,bttvb) y% z+ {1 W- a1 q9 U. ?; `
If you are carrying a forward momentum and when the body/ object landed, the
, r2 h. h8 ~( E) P- imomentum will continue its direction unless affect by other external force. (Baisc
, H4 ~" E# i( mtvb now,tvbnow,bttvbNewton Law) ie. The body will continue to move forward, your forehead will hit 公仔箱論壇2 |* V O8 y) I s
the ground first unless you lean back when you jump off the moving object. |