利用扭摆实验探究简谐运动规律  

Exploring the laws of simple harmonic motion using torsional pendulum

作　　者：周子栋 邵明珍 王才林 曾孝奇 张欢 ZHOU Zi-dong;SHAO Ming-zhen;WANG Cai-lin;ZENG Xiao-qi;ZHANG Huan(Department of Physics,Southern University of Science and Technology,Shenzhen 518055,China)

机构地区：[1]南方科技大学物理系,广东深圳518055

出　　处：《物理实验》2022年第2期53-57,共5页Physics Experimentation

基　　金：南方科技大学教革项目(No.XJJG201915,No.XJJG201911)。

摘　　要：为了引导学生探究简谐运动规律,加深对力学相似性的理解和锻炼数据分析处理能力,设计了扭摆实验,推导了简谐运动的基本规律,融入了智能手机和视频软件的应用,测得了扭摆转动角度、角速度、角加速度和能量的时间演化曲线.A new torsion pendulum experiment was designed to lead students to study the laws of harmonic motion,deepen their understanding of harmonic motion and mechanical similarity,and train their skill of data analysis and processing.The basic rules of harmonic motion were derived for a torsion pendulum.The experiment involved the usage of smartphone and video software,which enabled students to measure the time evolution curves of rotation angle,angular velocity,angular acceleration and energy.

关 键 词：简谐运动 扭摆 智能手机 视频软件 

分 类 号：O321[理学—一般力学与力学基础]