刚体转动惯量综合演示仪在教学上的应用APPLICATION OF RIGID BODY ROTATING INERTIA COMPREHENSIVE DEMONSTRATOR IN TEACHING
杨振清,宋顶,林春丹,周广刚,张万松
摘要(Abstract):
为了更加清楚地演示决定刚体转动惯量大小的因素,我们设计了刚体转动惯量综合演示仪。该装置不仅可以演示而且可以测量几种典型形状的刚体在斜面上纯滚动的快慢,进而还可以改变杆状刚体的转轴位置来观察刚体转动快慢的变化。通过实验验证了刚体在斜面上纯滚动的时间与转动惯量的关系及转轴位置对转动惯量的影响,有助于学生对转动惯量的理解与学习。
关键词(KeyWords): 刚体;转动惯量;斜面滚动;转轴位置
基金项目(Foundation): 中国石油大学(北京)校级教改项目(H2016406);; 校级培育教学团队项目(NO.00001115)
作者(Author): 杨振清,宋顶,林春丹,周广刚,张万松
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