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A Rolling Ball on a Merry-go-round
written by
Aaron Titus
The Video Analysis of a Rolling Ball on a Merry-go-round uses the Tracker video analysis tool to measure and analyze the motion of a ball rolling with constant velocity on a rotating merry-go-round. Video includes the motion of the ball as viewed from the rotating reference frame of the merry-go-round. The lab asks students to compare motion of the ball with the net force on the ball to establish whether Newton's first law is valid (or not). This lab helps students use Newton's first law to define an inertial reference frame.
The TRZ file contains the lab handout, two videos (one video to analyze and a second video to view motion of a rolling ball in a rotating reference frame), and the Tracker data file. The video comes from YouTube and can be found at The videos can be used with other video analysis software; however, the handout has screen captures from Tracker and instructions specifically written for Tracker.
ComPADRE is beta testing Citation Styles!
Record Link
<a href="https://www.compadre.org/portal/items/detail.cfm?ID=10437">Titus, Aaron. "A Rolling Ball on a Merry-go-round."</a>
AIP Format
A. Titus, Computer Program A ROLLING BALL ON A MERRY-GO-ROUND (2010), WWW Document, (https://www.compadre.org/Repository/document/ServeFile.cfm?ID=10437&DocID=1905).
AJP/PRST-PER
A. Titus, Computer Program A ROLLING BALL ON A MERRY-GO-ROUND (2010), <https://www.compadre.org/Repository/document/ServeFile.cfm?ID=10437&DocID=1905>.
APA Format
Titus, A. (2010). A Rolling Ball on a Merry-go-round [Computer software]. Retrieved May 1, 2025, from https://www.compadre.org/Repository/document/ServeFile.cfm?ID=10437&DocID=1905
Chicago Format
Titus, Aaron. "A Rolling Ball on a Merry-go-round." https://www.compadre.org/Repository/document/ServeFile.cfm?ID=10437&DocID=1905 (accessed 1 May 2025).
MLA Format
Titus, Aaron. A Rolling Ball on a Merry-go-round. Computer software. 2010. 1 May 2025 <https://www.compadre.org/Repository/document/ServeFile.cfm?ID=10437&DocID=1905>.
BibTeX Export Format
@misc{
Author = "Aaron Titus",
Title = {A Rolling Ball on a Merry-go-round},
Year = {2010}
}
Refer Export Format
%A Aaron Titus %T A Rolling Ball on a Merry-go-round %D 2010 %U https://www.compadre.org/Repository/document/ServeFile.cfm?ID=10437&DocID=1905 %O application/pdf
EndNote Export Format
%0 Computer Program %A Titus, Aaron %D 2010 %T A Rolling Ball on a Merry-go-round %U https://www.compadre.org/Repository/document/ServeFile.cfm?ID=10437&DocID=1905 Disclaimer: ComPADRE offers citation styles as a guide only. We cannot offer interpretations about citations as this is an automated procedure. Please refer to the style manuals in the Citation Source Information area for clarifications.
Citation Source Information
The AIP Style presented is based on information from the AIP Style Manual. The APA Style presented is based on information from APA Style.org: Electronic References. The Chicago Style presented is based on information from Examples of Chicago-Style Documentation. The MLA Style presented is based on information from the MLA FAQ. This resource is stored in 3 shared folders. You must login to access shared folders. A Rolling Ball on a Merry-go-round:
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Aaron Titus: Video Analysis
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