Measurement of spring constants of various spring-mass systems by using smartphones: a teaching proposal

Momentum: Physics Education Journal

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Title Measurement of spring constants of various spring-mass systems by using smartphones: a teaching proposal
Creator Erol, Mustafa
Hocaoğlu, Kadir
Kaya, Şeyda
Subject physics education
parallel spring system
serial spring system
simple harmonic motion
smart phones
Description This study aims to develop a teaching proposal to measure spring constants of various spring-mass systems by means of the smartphones. Specifically, a single spring-mass system, a serial connected and a parallel connected spring systems are experi-mentally resolved, by using the ambient light sensor of the smartphones. The measurements are achieved by simply recording the light intensity, detected by the oscillating smartphone, as a function of time for the simple harmonic motion. Using the light intensity-time graphs, the average periods and eventually the spring constants are estimated and the outcomes are compared with the theoretical results. The overall outcomes of the work indicate some 3,3 % relative error for the serial connected springs and 10,8 % relative error for the parallel connected springs. The approach is important in the sense that the apparatus directly plots instantaneous momentum-time graphs and it creates an enjoyable and beneficial teaching atmosphere.
Publisher Universitas Kanjuruhan Malang
Date 2020-04-29
Type info:eu-repo/semantics/article
Peer-reviewed Article
Format application/pdf
Source Momentum: Physics Education Journal; Vol 4 No 1 (2020) ; 1-10
Language eng
Rights Copyright (c) 2020 Momentum: Physics Education Journal

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