Demonstration instrument for verifying centripetal force formula

The utility model provides a demonstration instrument for verifying a centripetal force formula, and particularly relates to the technical field of experimental equipment. The demonstration instrument comprises an experiment table, and the experiment table is provided with a demonstration instrument body, a radius measuring device used for measuring the rotating radius of the demonstration instrument, and a rotating speed measuring device used for measuring the rotating speed of the demonstration instrument body. Three physical quantities of mass, radius and rotating speed can be accurately obtained in the experiment process, the method is used for quantitatively verifying the centripetal force formula, operation is easy, errors are small, and students can understand and master the centripetal force formula. 本实用新型提出了一种验证向心力公式演示仪，具体而言，涉及实验设备技术领域。其包括实验台，所述实验台安装有演示仪本体，用于测量所述演示仪旋转半径的半径测量装置，以及用于测量所述演示仪本体转速的转速测量装置。实验过程能准确得到质量、半径、转速三个物理量，用于定量验证向心力公式，操作简单，误差小，有利于学生理解和掌握向心力公式。