摘要
利用自制胡克定律探究实验装置对新课标中"探究弹簧弹力与形变量之间的关系"实验进行了改进,改进后的实验装置能直接在坐标纸上绘出弹簧弹力与形变量之间的对应关系点,通过拟合可得到F-x曲线,求拟合直线的斜率可求出被测弹簧的劲度系数.改进后的实验装置得出的实验结果与新课标教材中描述的现象一致.
Using self‐made Hooke law experiment device ,the experiment of exploring the rela‐tionship between spring force and deformation was improved .The improved experimental device could depict directly the correlation curve between spring force F and deformation x on coordinate paper .By measuring the slope of the fitting line ,the stiffness coefficient of the spring was obtained .The experi‐mental results was consistent with the phenomenon described in the new curriculum materials .
出处
《物理实验》
2015年第3期18-20,共3页
Physics Experimentation
基金
西华师范大学服务基础教育课改教研重点项目(No.403329)
关键词
胡克定律
弹力
形变量
Hooke law
elasticity
deformation
