三线摆量纲求解及思考

doi:10.16854 / j.cnki.1000-0712.190232

College Physics ›› 2020, Vol. 39 ›› Issue (04): 13-15.doi: 10.16854 / j.cnki.1000-0712.190232

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Dimensional solution and consideration of three-line pendulum

SHI Wei-gang1，YAN Tian-tian2

1. College of Science，Xi'an University of Science and Technology，Xi'an，Shaanxi 710054，China;2. College of Foreign Language，Xijing University，Xi'an，Shaanxi 710199，China

Received:2019-05-18 Revised:2019-08-16 Online:2020-04-20 Published:2020-04-20

Abstract

Abstract:

Dimensional analysis is a very important content in college physics teaching，but there are still some big deviations in the process of teaching at present. For this reason，taking the dimensional analysis method of rotational inertia of three-line pendulum as an example，this paper compares the results of general dimension solution with the revised after considering the action form of physical quantities，and expounds the contents that should be considered in the process of applying dimension solution.

Key words: dimension, dimensional analysis method, three-line pendulum

SHI Wei-gang, YAN Tian-tian. Dimensional solution and consideration of three-line pendulum[J].College Physics, 2020, 39(04): 13-15.

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Dimensional solution and consideration of three-line pendulum

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