高中物理第三章相互作用6实验：探究弹力和弹簧伸长的关系课件新人教版必修.ppt

第三章相互作用,数据,1,2,3,4,5,6,7,F,/N,0,l,/cm,x,/cm,0,代表符号,L,0,L,x,L,1,L,2,L,3,L,4,L,5,L,6,数值,(cm),25.35,27.35,29.35,31.30,33.4,35.35,37.40,39.30,挂在橡皮绳下端的钩码个数,橡皮绳下端的坐标,x,i,/mm,甲,乙,1,216.5,216.5,2,246.7,232.0,3,284.0,246.5,4,335.0,264.2,5,394.5,281.3,6,462.0,301.0,挂在橡皮绳下端的钩码个数,橡皮绳长度的改变量,(,x,i,x,1,)/mm,甲,乙,1,2,30.2,15.5,3,67.5,30.0,4,118.5,47.7,5,178.0,64.8,6,245.5,84.5,