摘要
滑动摩擦力实验的核心内容是用测力计测出滑动摩擦力。但若按照所使用的人教版教材上的实验装置和步骤做实验,不仅操作过程中难度比较大,而且实验误差大,以致通过实验得出的结果与理论相反。为此,笔者提出了8种改进方案,以得到更加准确的实验结果。
The core content of sliding friction experiment is to measure sliding friction with dynamometer. But if making the ex-periment in accordance with the experiment equipment and mea-sures in the textbook in the version of People＇s Education Press, you will find that the operation is difficult and the experimental error is large, and even get results opposite to the theory. To this end, the writer proposes eight improvement schemes, in order to get more accurate experiment results.
出处
《科教文汇》
2015年第27期118-119,共2页
Journal of Science and Education
关键词
滑动摩擦力实验
弹簧测力计
拉力
sliding friction experiment
spring dynamometer
pulling force
