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学习了运动和力的知识后,同学们在运用中,由于对知识理解不准确,概念混淆,很容易犯一些错误。“马拉车”一题,就暴露出初学者一些典型的错误,希望对此问题的剖析,能够帮助同学们建立正确的运动和力的因果关系,澄清错误认识。例题有几个同学在一起讨论“马拉车”的问题。有同学?
After learning the knowledge of exercise and force, students are very easy to make mistakes in the use of knowledge due to inaccurate understanding of knowledge and confusion of concepts. The “marathon” question reveals some typical mistakes of beginners. I hope that this analysis can help students establish a correct cause and effect relationship between exercise and force and clarify misunderstandings. There are several classmates discussing the “marathon” problem together. Some students?