学术
国际标准刊号：ISSN 1005-4642
国内统一刊号：CN 22-1144
摘 要:
对重力加速度测量仪进行了重新设计，用条形重物块作为自由落体避免了用小球作重物时经过光电门因偏心带来的测量误差，用弹簧夹物装置代替电磁铁释放重物，消除了电磁铁剩磁对重物的吸引作用，提高了测量精度．[著者文摘]
文章出处:
《物理实验》-2007年27卷11期 -26-27页
Physics Experimentation
栏目信息:
分 类 号:
文献标识码:
A
文章编号:
1005-4642（2007）11-0026-02
[参考文献]
Improvement on the instrument for measuring acceleration of gravity
DU Fang-bing, YANG Hong-mei, XIA Xiang-fang （College of Science, Hunan University of Technology, Zhuzhou 412008, China）
Abstract:
The instrument for measuring acceleration of gravity is redesigned. A strip block is used instead of the ball to eliminate the measurement error caused by the trajectory deviation of the ball when passing the photo gate. And a spring clip is used to replace the electromagnet to eliminate the effect of remanence. These improvements can increase the measurement precision of the instrument.[著者文摘]
Key words:
gravity; acceleration; freely falling body
收稿日期: 2007-06-27
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