基于智能手机App验证牛顿第二定律的研究  

Research of Verifying Newton’s Second Law Based on Smartphone App

作　　者：崔静莹 张昆 李存[1] 袁博涵 CUI Jingying;ZHANG Kun;LI Cun;YUAN Bohan(College of Physics and Electronic Engineering,Xinyang Normal University,Xinyang 464000,China)

机构地区：[1]信阳师范学院物理电子工程学院,河南信阳464000

出　　处：《大学物理实验》2023年第2期127-131,共5页Physical Experiment of College

基　　金：2020年河南省教育厅重点科研项目(21A140024);2022年河南省教育厅重点科研项目(23A510014);2022年河南省教育厅教师教育课程改革研究项目(2022-JSJYYB-038)。

摘　　要：设计了一款安卓智能手机应用软件Physics+,并基于该App验证牛顿第二定律。该方法通过手机App结合外置加速度传感器来直接测量传统实验中滑块运动的加速度,记录加速度的完整变化过程,自动分析实验误差。与传统验证牛顿第二定律实验的方法相比,该方法操作简单,性价比高,快捷精准,解决了传统实验方法精度低和误差大的问题。利用安卓智能手机辅助物理实验教学,让学生从实验中更形象地理解牛顿第二定律,激发学生学习物理的兴趣,有望成为开展物理实验探究和教学的得力工具。We design an Android smartphone application software Physics+which can verify Newton’s second law based on the app.This method directly measures the acceleration of the slider movement in traditional experiments through mobile phone App and external acceleration sensor,records the complete change process of the acceleration,and analyzes the experimental error automatically.Compared with the traditional experiment to verify Newton’s second law,this method is simple,cost-effective,fast and accurate,and solves the problems of low accuracy and large error of the traditional experiment method.The use of Android smart phones in physical experiment teaching can help students understand Newton’s Second Law more vividly,stimulate students’interest in learning physics,and is expected to become a powerful tool for physical experiment exploration and teaching.

关 键 词：智能手机 Physics+ 牛顿第二定律 加速度 物理实验 

分 类 号：O4-33[理学—物理]