学生对旋转和滚动运动概念的理解
Student understanding of rotational and rolling motion concepts
摘要：
我们调查了学生在物理入门课程中涉及的旋转和滚动运动概念方面的常见困难。我们比较了性能的微积分和代数为基础的入门物理学生与物理大三谁学会了旋转和滚动运动的概念，在中级力学课程。访谈进行了六个物理大三学生和十个入门学生使用演示为基础的任务。我们还管理自由回答和多项选择题，以大量的学生参加了介绍物理课程，并采访了另外六个介绍学生的测试问题（在测试设计阶段）。所有的学生表现出类似的困难，无论他们的背景，和更高的数学复杂性似乎并没有帮助获得更深的理解。我们发现，有些困难是由于线性运动的相关困难，而另一些则与更复杂的旋转和滚动运动的性质有关。
英文摘要：
We investigated the common difficulties that students have with concepts related to rotational and rolling motion covered in the introductory physics courses. We compared the performance of calculus- and algebra-based introductory physics students with physics juniors who had learned rotational and rolling motion concepts in an intermediate level mechanics course. Interviews were conducted with six physics juniors and ten introductory students using demonstration-based tasks. We also administered free-response and multiple-choice questions to a large number of students enrolled in introductory physics courses, and interviewed six additional introductory students on the test questions (during the test design phase). All students showed similar difficulties regardless of their background, and higher mathematical sophistication did not seem to help acquire a deeper understanding. We found that some difficulties were due to related difficulties with linear motion, while others were tied specifically to the more intricate nature of rotational and rolling motion.
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