| 颗粒物质中静摩擦力与接触面形状有关 |
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| 引用本文： | 武玉琴,胡林,安红海,吕学明.颗粒物质中静摩擦力与接触面形状有关[J].大学物理实验,2005,18(3):4-7. |
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| 作者姓名： | 武玉琴 胡林 安红海 吕学明 |
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| 作者单位： | 贵州大学,贵阳,550025;贵州大学,贵阳,550025;贵州大学,贵阳,550025;贵州大学,贵阳,550025 |
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| 摘 要： | 用实验方法研究了探测棒在颗粒物质中受到的最大静摩擦力与棒截面形状的关系.观测到圆棒受到的最大静摩擦力最大,方棒次之,扁棒最小.根据力的传递原理,分析棒形状对颗粒物质内部力链传递的影响,计算结果与实验基本吻合.
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| 关 键 词： | 颗粒物质 力链 最大静摩擦力 |
| 文章编号： | 1007-2934(2005)03-0004-04 |
| 收稿时间： | 06 20 2005 12:00AM |
| 修稿时间： | 2005年6月20日 |
THE STATIC FRICTION FORCE HAVING RELATION TO THE SHAPE OF INTERFACE |
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| Wu Yuqin,Hu Lin,An Honghai,Lü Xueming.THE STATIC FRICTION FORCE HAVING RELATION TO THE SHAPE OF INTERFACE[J].Physical Experiment of College,2005,18(3):4-7. |
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| Authors: | Wu Yuqin Hu Lin An Honghai Lü Xueming |
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| Abstract: | The dependence of the static friction force exerted on clubs in granular matter on the shape of clubs' cross section is studied experimentally.It is observed that the friction acting on the clubs relate to the shape of the clubs' cross section:The friction force acting on the square club is smaller than that acting on the round club;the friction force acting on the rectangle club is the smallest.Basing on the theory of stress transfer,we analysis the impact of the shape of the club upon the force trains in granular matter,the result we calculated consists with the experiment. |
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| Keywords: | granular matter force train the maximum static friction force |
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