On 2003-05-22 09:45, XiaoWei wrote: 出個題目來玩玩 : 假設:50m的繩子拿來懸吊500kg會伸長6m,拿來leading,fall了之候量確保器到八字結的長度為18m,並做記號,下來後量長度為16.5m,試問climber所受的最大衝力若干? K=500kg/(6m/50m)=4900Nt/0.12=40833Nt h/L=(18-16.5)/16.5=0.091 F=40833*0.091=3715Nt=380kgf