With the advancement of science and technology,the integration of software with Physics education has become a mainstream trend.This paper presents a study of the buoyancy of small balls falling in water using Tracker software.Firstly,the rectangular coordinate system is established,and the trajectory of the falling object is tracked at a fixed point,and the relevant data is obtained.Secondly,the real-time velocity and acceleration are obtained by data fitting.Finally,the buoyancy can be calculated by Newton's second law formula.This method avoids the cumbersome measurement and calculation of traditional experimental methods,provides a new idea for measuring the buoyancy of falling objects,improves the accuracy of physical experiment data and speeds up the integration of Physics teaching and information technology.
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