角动量演示仪的教具制作及其教学研究  

The Production of Teaching Aids for Angular Momentum Demonstration and Its Teaching Research

作　　者：邱培镇[1] 黄佳怡 葛锦怡 李欣怡 陈佳露 QIU Peizhen;HUANG Jiayi;GE Jinyi;LI Xinyi;CHEN Jialu(School of Science,Huzhou University,Huzhou 313000,China)

机构地区：[1]湖州师范学院理学院,浙江湖州313000

出　　处：《大学物理实验》2024年第3期62-66,共5页Physical Experiment of College

基　　金：国家自然科学基金委理论物理专款“高校理论物理学术交流和人才培养平台建设项目”(12047568);2024年浙江省高等学校大学物理课程教学指导委员会教学研究项目(ZJDW202410);2023年浙江省大学生创新创业训练计划项目(S202310347071);湖州师范学院校级课程思政教学研究项目(JGSZ202322)。

摘　　要：角动量和角动量守恒定律是大学物理教学中的重点和难点。文章介绍了一套自制的集定性演示角动量的矢量性、定性演示和定量验证角动量守恒定律为一体的便携式角动量演示教具,探讨了其在研究型课堂演示实验教学过程中的应用。该教具主要由旋转圆盘、穿珠圆盘、电动机、变速控制器等部分组成。教具整体结构紧凑,方便携带,操作简便,现象十分明显,可将角动量矢量性和角动量守恒定律可视化,有利于突破角动量相关概念和规律的教学难点,实现高效课堂的生成。Angular momentum and the law of angular momentum are key and difficult points in college physics teaching.It introduces a self-made portable angular momentum demonstration instrument that integrates qualitative demonstration of the vectorization of angular momentum,qualitative demonstration and quantitative verification of the law of angular momentum conservation,and explores its application in classroom teaching.This teaching aid mainly consists of rotating discs,ball piercing discs,electric motors,variable speed controllers and other parts.The overall structure of teaching aids is compact,easy to carry and operate,and the phenomenon is very obvious.It can visualize the vectorization of angular momentum and the law of angular momentum conservation,which is conducive to breaking through the teaching difficulties of concepts and laws related to angular momentum and achieving efficient classroom generation.

关 键 词：角动量演示仪 矢量性 角动量守恒定律 课堂教学 

分 类 号：O313[理学—一般力学与力学基础]