Abstract
During pendulum analysis, the approximation for small angles is usually performed as a simple harmonic motion. However, for large angles, this approximation is not convenient so exact solutions are proposed by differ-ent methods. This paper presents the comparison of two solutions for the displacement of the pendulum in the domain of time and frequency, the solution by Jacobi elliptic function and the solution by the numerical method Dormand-Prince with the results of measurements obtained by means of a physical prototype designed for the teaching of physics. We consider that this comparative study allows a better understanding of the phenomenon of the non-linear pendulum in the students of undergraduate careers in the physics of waves as well as a previous training for the course of analysis of signals being in good exercise of teaching
Highlights
Technology-enhanced Learning (TEL), which is based on the advance of information and communication technologies, allows students to acquire a deeper knowledge of the phenomena and concepts studied
The teaching of physical phenomena has been strongly permeated by technologies, from laboratory instrumentation systems, remote access to physical laboratories, virtual environments for experimentation and intelligent mobile devices [3,4,5,6] which has allowed an important advance in the didactics of learning [7]
In the signal obtained with the numerical method is observed that there is an increase in the period of the signal, this increase is because the calculation by the method Dormand-Prince generates a delay to take previous steps to generate subsequent steps
Summary
Technology-enhanced Learning (TEL), which is based on the advance of information and communication technologies, allows students to acquire a deeper knowledge of the phenomena and concepts studied. It is clear that new generations feel very comfortable with intelligent mobile devices and it is undeniable that these technologies have permeated the classroom because a technology-enhanced environment offers students the opportunity to design and implement experiments, explore the relationships between variables and learn scientific concepts [1,2]. One of the non-linear systems widely studied in both introductory and advanced mechanical physics courses is the simple pendulum [8,9,10,11,12,13,14,15].
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