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笔者通过实例引入摆的概念,运用理想化的方法将实际的摆抽象为单摆模型。通过动画演示与理论推导相结合,让学生对单摆做简谐运动的认识从感性上升到理性。利用定性演示实验与定量学生分组实验,探究单摆的周期公式,提高学生的实验能力,培养学生团结协作的精神。
The author introduces the concept of pendulum through examples and uses the idealized method to abstract the actual pendulum as a pendulum model. Through the combination of animation demonstration and theoretical derivation, students’ awareness of simple harmonic motion from sensibility to rationality is raised. Qualitative demonstration experiments and quantitative student group experiments to explore the pendulum cycle formula to improve the experimental ability of students to develop the spirit of unity and cooperation of students.