An Easy-to-Use Magnetic Dynamometer for Teaching Newton’s Third Law


Fitria Silviana , Soni Prayogi






Vol. 9 No. 1 (2023): January - June


Magnometers, Teaching, Newton's third law, Experimental



How to Cite

Silviana, F. ., & Prayogi, S. (2023). An Easy-to-Use Magnetic Dynamometer for Teaching Newton’s Third Law. Jurnal Pendidikan Fisika Dan Teknologi, 9(1), 78–86.


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The study of Newtonian mechanics gives students the first chance to question their commonsense assumptions and replace them with a more comprehensive worldview. Newtonian mechanics is a cornerstone of contemporary science. Furthermore, despite its essential significance, multiple studies demonstrate how challenging it is to properly comprehend the key elements of Newton’s equations. Any initiatives to increase their teaching options are therefore encouraged. In order to help instructors in particular applications of Newton’s third rule of action-reaction, we provide an experimental instrument. Our method consists of two flexible plastic strip dynamometers that have miniature neodymium magnetic disks connected to them. The amount of force being transferred using a magnetic field is shown by the plastic strip’s radial distance. This very affordable arrangement is simple to assemble, efficient, and appropriate for many programs that call for many trial kits.


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Author Biographies

Fitria Silviana, Medan State University

Department of Physics Education

Soni Prayogi, Pertamina University

Department of Electrical Engineering


Copyright (c) 2023 Fitria Silviana, Soni Prayogi

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