2014
DOI: 10.1590/s1806-11172014000200015
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Using a smartphone acceleration sensor to study uniform and uniformly accelerated circular motions

Abstract: The acceleration sensor of a smartphone is used for the study of the uniform and uniformly accelerated circular motions in two experiments. Data collected from both experiments are used for obtaining the angular velocity and the angular acceleration, respectively. Results obtained with the acceleration sensor are in good agreement with alternative methods, like using video recordings of both experiments and a physical model of the second experiment. Keywords: rigid solid, mobile application, accele rometer sen… Show more

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Cited by 11 publications
(11 citation statements)
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“…Numerous investigations have been published on laboratory experiments in which digital cameras or webcams are used [3][4][5][6][7] , optical mice 8,9 and games consoles and their wireless devices which control the games [10][11][12][13][14] . Also the sensors of smartphones are beginning to be used to make precise measurements [15][16][17][18][19][20] . These sensors allow carrying out direct measurements of physical magnitudes if we have previously downloaded specific applications, most of which are free, that allow us to show measurements on the screen of the smartphone, store them and even do a graph with the results.…”
Section: Introductionmentioning
confidence: 99%
“…Numerous investigations have been published on laboratory experiments in which digital cameras or webcams are used [3][4][5][6][7] , optical mice 8,9 and games consoles and their wireless devices which control the games [10][11][12][13][14] . Also the sensors of smartphones are beginning to be used to make precise measurements [15][16][17][18][19][20] . These sensors allow carrying out direct measurements of physical magnitudes if we have previously downloaded specific applications, most of which are free, that allow us to show measurements on the screen of the smartphone, store them and even do a graph with the results.…”
Section: Introductionmentioning
confidence: 99%
“…Os smartphones, tão utilizados pelos estudantes, podem ser empregados para as atividades experimentais. O sensor de aceleração de um smartphone pode ser aproveitado para estudar o movimento circular (CASTRO-PALACIO et al, 2014). Jesus e Sasaki (2014) propõem um experimento de baixo custo, incorporando, uma câmera de smartphone e o software livre Tracker para vídeo-análise para o estudo do atrito.…”
Section: C1 êNfase No Uso De Tecnologiaunclassified
“…Mediante el acelerómetro incorporado en el teléfono, se puede registrar la aceleración, en función del tiempo, del teléfono móvil suspendido de un muelle (Castro-Palacio et al 2013;Tuset-Sanchis et al 2015;Cuenca-Gotor et al 2015;Castro-Palacio et al 2014). De esta forma, los alumnos tienen una información mucho más rica (posición y/o aceleración en Congreso In-Red (2016) función del tiempo) para el estudio del movimiento armónico simple.…”
Section: Oscilaciones: Determinación De La Constante De Un Muelleunclassified
“…En este trabajo pretendemos enseñar a los estudiantes de que el teléfono móvil puede ser útil también como dispositivo de medida y despertar su curiosidad e interés por utilizar este instrumento para diversas aplicaciones prácticas En la literatura científica del área de docencia de la física se pueden encontrar propuestas de experimentos con smartphones. Estas propuestas están en la misma línea que este trabajo, pero ninguna de ellas hace referencia a la implementación de estos experimentos en grupos de alumnos (Klein et al 2014;Kuhn y Vogt 2012;González y González Rebollo 2015;Huete et al 2015;Arribas Garde et al 2015;Kuhn y Vogt 2013;Sans et al 2013;CastroPalacio et al 2013;Tuset-Sanchis et al 2015;Castro-Palacio et al 2014). Solamente en algunos trabajos recientes realizados por nuestro grupo, aparecen las primeras referencias a la implementación de este tipo de experiencias con alumnos (Sans et al 2016;Cuenca-Gotor et al 2015;.…”
Section: Introductionunclassified