多星问题电子教案.doc

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1、多星问题__________________________________________________多星问题一、双星问题特点：距离不变，向心力相等，角速度相等，周期相等。双星轨道半径之比：双星的线速度之比：两星的轨道半径：两星的总质量：双星的周期：____________________________________________________________________________________________________________________________________________

2、____________________________________________________________二、三星问题________________________________________________________________________________________________________________________________________________________________________________________________________三、

3、四星问题：____________________________________________________________________________________________________补充：________________________________________________________________________________________________________________________________________________________________

4、__________________________________________________________________________________________