数显式向心力定量探究仪研制  

Design and fabrication of a digital instrument for quantitative investigation of centripetal force

作　　者：向悦 董小庆[3] 代珍兵[1] XIANG Yue;DONG Xiaoqing;DAI Zhenbing(College of Physics and Electronic Engineering,Sichuan Normal University,Chengdu 610101,China;School of Physics and Electronic Science,East China Normal University,Shanghai 200241,China;Qingtaishan Middle School Attached to Sichuan Normal University,Chengdu 610101,China)

机构地区：[1]四川师范大学物理与电子工程学院,四川成都610101 [2]华东师范大学物理与电子科学学院,上海200241 [3]四川师范大学附属青台山中学,四川成都610101

出　　处：《物理实验》2024年第11期57-62,共6页Physics Experimentation

基　　金：四川师范大学开放实验项目(No.XJ20230082)。

摘　　要：针对现有中学物理教材中手摇式向心力实验装置存在的测量精度和重复性差等不足,利用现代传感技术和数显仪表对原有实验仪器进行改进,自制了数显式向心力定量探究仪.该装置具有设计巧妙、测量精确、操作简单等优点,通过控制变量法可以定量地探究向心力大小公式,有助于学生深入理解圆周运动的物理原理.To address the limitations of centripetal force experimental devices commonly found in middle school physics textbooks,i.e.poor measurement accuracy and repeatability,a self-designed digital centripetal force quantitative exploration instrument was presented through the improvement of the original apparatus based on the modern sensing technology and digital display instruments.Featuring a well-designed structure,high measurement accuracy,and user-friendly operation,this device enabled students to accurately investigate the centripetal force formula through the controlled variable method,fostering a more intuitive and in-depth understanding of circular motion principles.

关 键 词：向心力 圆周运动 数显式 自制教具 

分 类 号：G633.7[文化科学—教育学]