Measurement of g using a pendulum and a smartphone proximity sensor
- 1 October 2021
- journal article
- editorial
- Published by American Association of Physics Teachers (AAPT) in The Physics Teacher
- Vol. 59 (7), 584-585
- https://doi.org/10.1119/5.0056573
Abstract
The use of sensors in smartphones to do physical experiments is a boom in the past decade, such as acceleration sensor,1,2 light sensor,3,4 magnetometer,5,6 camera,7,8 and gyroscope. However, few people study the application of proximity sensors in physical experiments, although, in our view, the employment of the proximity sensor is more accurate than other sensors (see Table I). For further research, this paper proposes a method to measure the oscillation period of a simple pendulum based on the proximity sensor integrated in the smartphone and determines the experimental value of the gravitational acceleration. Theoretical backgroundKeywords
This publication has 8 references indexed in Scilit:
- Determination of gravity acceleration with smartphone ambient light sensorThe Physics Teacher, 2021
- Exploration of Large Pendulum Oscillations and Damping Using a SmartphoneThe Physics Teacher, 2020
- Using mobile devices to enhance inquiry-based learning processesLearning and Instruction, 2020
- Using Smartphones as Experimental Tools—a Follow-up: Cognitive Effects by Video Analysis and Reduction of Cognitive Load by Multiple RepresentationsJournal of Science Education and Technology, 2020
- Measurement of g using a magnetic pendulum and a smartphone magnetometerThe Physics Teacher, 2018
- Analyzing radial acceleration with a smartphone acceleration sensorThe Physics Teacher, 2013
- Analyzing simple pendulum phenomena with a smartphone acceleration sensorThe Physics Teacher, 2012
- Analyzing free fall with a smartphone acceleration sensorThe Physics Teacher, 2012