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学生在解答有关卫星运动的问题时往往容易出错,究其原因,主要是学生对行星绕日运动或卫星绕行星运动的规律不甚理解,对行星或卫星运转速率跟轨道半径的关系、运转周期跟轨道半径的关系记不住。怎样使学生更好地理解和掌握行星或卫星的运动规律?我在《万有引力》(甲种本)一章的复习中,引导学生努力理解行星或卫星的运动规律,取得了较好的效果。
Students are often prone to making mistakes in answering questions about satellite movements. The main reason for this is that students do not understand the rules of planetary orbiting around the moon or satellites orbiting the planet. They also have a relationship between the orbital radius and the orbital radius of planets or satellites. The relationship between the cycle and the radius of the track cannot be remembered. How can students better understand and master the laws of the movement of planets or satellites? In the review of “Gravity” (a type of book), I guided students to work hard to understand the laws of motion of planets or satellites, and achieved good results.