Transverse standing waves in a string with free ends

被引：14

作者：

Kashy, E ^{[1
]}

Johnson, DA ^{[1
]}

McIntyre, J ^{[1
]}

Wolfe, SL ^{[1
]}

机构：

[1] MICHIGAN STATE UNIV,NATL SUPERCONDUCTING CYCLOTRON LAB,E LANSING,MI 48824

来源：

AMERICAN JOURNAL OF PHYSICS | 1997年 / 65卷 / 04期

关键词：

D O I：

10.1119/1.18519

中图分类号：

G40 [教育学];

学科分类号：

040101 ; 120403 ;

摘要：

A method to excite and visualize-transverse standing waves on a vibrating string with one or both ends free is described. A stretched coil. extension spring serves as the flexible vibrating string. A free end is achieved by attaching one end to a long thin steel wire that stretches the spring and thus provides tension with a nearly inertia-free suspension. The apparatus can be used as a qualitative lecture demonstration or as a quantitative experiment where it can serve as an instructive example of the application of boundary conditions. (C) 1997 American Association of Physics Teachers.

引用

页码：310 / 313

页数：4

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