阅读说明：本技术 一种数字显示向心力实验仪 (Digital display centripetal force experimental instrument ) 是由 舒象喜 朱斌 陈海琦 于 2020-06-02 设计创作，主要内容包括：本发明公开了一种数字显示向心力实验仪,包括转轴、力敏传感器、导电滑环,数据处理电路、数字显示电路、平衡块、转动平台、刻度尺、金属球、计时器、电机调速器、电机总成、上固定板、下固定板、左侧板、右侧板等部分；本发明取得的有益效果是：(1)通过导电滑环引出转动的力敏传感器的输出信号,进行信号处理后,可以直接测量并显示向心力的大小,可观性好,操作方便,(2)通过计时器测出圆周运动的周期和转台上的刻度尺测出金属球做圆周运动的半径,可计算向心力大小,从而验证向心力的表达式,改变金属球做圆周运动的半径或圆周运动的周期,可探究向心力大小与哪些因素有关,有利于加深学生对向心力相关知识点的理解。(The invention discloses a digital display centripetal force experimental instrument, which comprises a rotating shaft, a force-sensitive sensor, a conductive slip ring, a data processing circuit, a digital display circuit, a balance block, a rotating platform, a graduated scale, a metal ball, a timer, a motor speed regulator, a motor assembly, an upper fixing plate, a lower fixing plate, a left side plate, a right side plate and the like; the beneficial effects obtained by the invention are as follows: (1) the output signal of the rotating force-sensitive sensor is led out through the conductive slip ring, after signal processing, the magnitude of the centripetal force can be directly measured and displayed, observability is good, operation is convenient, (2) the period of the circular motion is measured through a timer, the radius of the circular motion of the metal ball is measured through a graduated scale on a turntable, and the magnitude of the centripetal force can be calculated, so that the expression of the centripetal force is verified, the radius of the circular motion of the metal ball or the period of the circular motion of the metal ball is changed, the correlation between the magnitude of the centripetal force and certain factors can be researched, and the understanding of knowledge points related to the centripetal force of students can be deepened.)