已知弹簧长度和50N所拉长的长度求劲度系数
已知弹簧长度和50N所拉长的长度求劲度系数
物理人气:370 ℃时间:2020-03-31 07:49:50
优质解答
设弹簧原长为L0,伸长后长度为L,则根据胡克定律F=kX,其中X为变化量,即L-L0,K为劲度系数,从而求解,得K=F/(L-L0)
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