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Pulling for better understanding of Newton’s laws
European Journal of Physics ( IF 0.6 ) Pub Date : 2020-10-05 , DOI: 10.1088/1361-6404/aba224
Paul R DeStefano , Roberto Perez-Franco , Cora Siebert , Ralf Widenhorn

We present a kinesthetic active learning activity, based on tug-of-war, that challenges upper secondary education and undergraduate learners to engage with Newton’s laws. The learning module has two parts. In the first part students analyse the game using common introductory physics concepts. They use those insights to make predictions about what factors affect the outcome of the game. In the experimental part of the activity, students first use a load cell to measure the force of tension produced by pulling against a fixed object while standing on various surfaces. The effective coefficient of friction for each interface is calculated from this data. Next, students compete in, observe, and analyse a series of tug-of-war games in which the tension in the rope is again measured and a local positioning system simultaneously tracks the position of the rope. We present example data and results for these activities and compare them to the predictions. In particular, we show the tensi...

中文翻译:

拉动以更好地理解牛顿定律

我们基于拔河比赛提出了一种动觉的主动学习活动,该活动对高中教育和本科生挑战牛顿定律。学习模块分为两个部分。在第一部分中,学生使用常见的入门物理概念来分析游戏。他们利用这些见解来预测哪些因素会影响游戏的结果。在活动的实验部分,学生首先使用称重传感器测量站立在各种表面上时紧靠固定物体产生的拉力。从该数据计算每个界面的有效摩擦系数。接下来,学生竞争,观察,并分析了一系列拔河比赛,其中再次测量了绳索中的张力,并且本地定位系统同时跟踪了绳索的位置。我们提供这些活动的示例数据和结果,并将其与预测进行比较。特别是,我们显示张力...
更新日期:2020-10-06
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