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本文利用GeoGebra软件研究了等量同种点电荷连线中垂线上的场强,从动态演示验证规律、数形结合全面认识、数学运算求出极值等三个方面深入剖析,从定性到定量,从形象到抽象,由表及里,层层递进,使学生对等量同种点电荷连线中垂线上的场强有深刻认识,提高了学生应用数学知识解决物理问题的能力。
In this paper, the GeoGebra software was used to study the field strength of the vertical line of the same type of charge of the same type of points. From the dynamic demonstration and verification rules, the combination of the number and shape, the extreme value of the mathematical operation, Quantitative, from the image to the abstract, from the surface and inside, step by step, so that students on the same amount of the same point in the vertical line of electric field connection strength has a profound understanding of the students improve the ability to apply mathematical knowledge to solve physical problems .