Measuring the coefficient of restitution for tennis and golf balls using smartphone sensors

This research aimed to measure the coefficient of restitution (COR) for tennis and golf balls using smartphone sensors. The ball and smartphone were attached at the ends of a long plastic strip: one end was a pivot with the attached smartphone and another end was for the attached ball. The ball on t...

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Bibliographic Details
Published in:Physics education 2019-11, Vol.54 (6), p.65011
Main Authors: Chaisuwan, Phongsak, Khemmani, Supitch, Wicharn, Surawut, Plaipichit, Suwan, Pipatpanukul, Chinnawut, Puttharugsa, Chokchai
Format: Article
Language:English
Subjects:
Angular position
Angular speed
Athletics
Demonstrations (Educational)
Golf balls
Handheld Devices
Kinetics
Measurement Equipment
Motion
Motion sensors
Physics
Science Experiments
Science Instruction
Strip
Tennis
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Summary:This research aimed to measure the coefficient of restitution (COR) for tennis and golf balls using smartphone sensors. The ball and smartphone were attached at the ends of a long plastic strip: one end was a pivot with the attached smartphone and another end was for the attached ball. The ball on the plastic strip was swung to bounce the ball. The experimental data, angular position and angular speed, were recorded using a smartphone's sensors (gyroscope sensor and device motion sensor) for analysis of the COR. The results of the COR obtained from both sensors agreed with the conventional method and references. We expect this experiment to be useful for physics lecturers to demonstrate the bouncing ball in the classroom or laboratory for determining the COR.
ISSN:0031-9120
1361-6552
DOI:10.1088/1361-6552/ab3c08