A classroom experiment to measure the speed-dependent coefficient of rolling friction

被引：13

作者：

Xu, Y. ^{[1
]}

Yung, K. L. ^{[1
]}

Ko, S. M. ^{[1
]}

机构：

[1] Middlebury Coll, Dept Phys, Middlebury, VT 05753 USA

来源：

AMERICAN JOURNAL OF PHYSICS | 2007年 / 75卷 / 06期

关键词：

D O I：

10.1119/1.2432130

中图分类号：

G40 [教育学];

学科分类号：

040101 ; 120403 ;

摘要：

To help students understand one of the most basic mechanical phenomena, rolling friction, a simple laboratory setup for measuring the rotational speed-dependent coefficient of rolling friction was developed. Equipment and apparatus used in the measurement are simple and easy to acquire, yet the phenomena and the mechanisms behind it are intriguing. The air drag force, which is caused by air friction, is used in the measurement to reduce the cost of the apparatus. (C) 2007 American Association of Physics Teachers.

引用

页码：571 / 574

页数：4

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