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《Physics and Engineering》 2018-05
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A SET OF PRELIMINARY TEACHING PLAN FOR TWO-BODY SYSTEMS UNDER INVERSE SQUARE CENTRAL FORCE

ZHOU Guoquan;School of Physics and Technology,Wuhan University;  
Based on the Kepler's first and second laws,and the conservation laws of mechanic energy and angular moment,a set of simple preliminary method is used to deal with an inverse square central force system.The energy and eccentricity formula,circular orbit condition,and some motion parameters(velocity and radius of curvature)of elliptical orbit are derived by elementary method without solving the nonlinear Binet differential equation.Meanwhile,a new simple elementary proof of Kepler's third law is given.
【Fund】: 高校教指委电动力学教学研究项目 项目编号:JZW-16-DD-15;; 中央高校教育教学改革专向项目-武汉大学“351人才计划”教学岗位资助项目
【CateGory Index】: O314-4;G642
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