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written by Gary Gladding
published by the University of llinois Physics Education Research Group
This is an interactive homework problem for introductory physics students relating to uniform circular motion.  Two rocks of known mass are tied at opposite ends of a .19m string.  A second   string measuring .14m is tied to one rock.  The pair of rocks is then spun in a circle.  Students must determine the tension of the string connected to the rock closest to the center of the circle.  

A user-activated "help" sequence is provided for each step of the problem-solving, including conceptual analysis and quantitative calculations.  Immediate feedback is received for both correct and incorrect responses.  This item is part of a larger collection of interactive homework problems for introductory physics.  See Related items on this page for a link to the full collection.
Subjects Levels Resource Types
Classical Mechanics
- Rotational Dynamics
Education Practices
- Active Learning
= Problem Solving
- Lower Undergraduate
- High School
- Instructional Material
= Activity
= Best practice
= Curriculum support
= Tutorial
Intended Users Formats Ratings
- Learners
- text/html
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Free access
Restriction:
© 2006 University of Illinois Physics Education Research Group
Keywords:
centripetal acceleration, circular motion, homework problem, interactive problem, tension, uniform circular motion
Record Cloner:
Metadata instance created January 28, 2008 by Alea Smith
Record Updated:
March 12, 2013 by Lyle Barbato
Last Update
when Cataloged:
June 16, 2006
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Record Link
AIP Format
G. Gladding, (University of llinois Physics Education Research Group, Urbana, 2006), WWW Document, (http://research.physics.illinois.edu/per/IE/ie.pl?phys111/ie/04/IE_tworocks_string).
AJP/PRST-PER
G. Gladding, Illinois PER Interactive Examples: Two Rocks on a String, (University of llinois Physics Education Research Group, Urbana, 2006), <http://research.physics.illinois.edu/per/IE/ie.pl?phys111/ie/04/IE_tworocks_string>.
APA Format
Gladding, G. (2006, June 16). Illinois PER Interactive Examples: Two Rocks on a String. Retrieved September 30, 2014, from University of llinois Physics Education Research Group: http://research.physics.illinois.edu/per/IE/ie.pl?phys111/ie/04/IE_tworocks_string
Chicago Format
Gladding, Gary. Illinois PER Interactive Examples: Two Rocks on a String. Urbana: University of llinois Physics Education Research Group, June 16, 2006. http://research.physics.illinois.edu/per/IE/ie.pl?phys111/ie/04/IE_tworocks_string (accessed 30 September 2014).
MLA Format
Gladding, Gary. Illinois PER Interactive Examples: Two Rocks on a String. Urbana: University of llinois Physics Education Research Group, 2006. 16 June 2006. 30 Sep. 2014 <http://research.physics.illinois.edu/per/IE/ie.pl?phys111/ie/04/IE_tworocks_string>.
BibTeX Export Format
@misc{ Author = "Gary Gladding", Title = {Illinois PER Interactive Examples: Two Rocks on a String}, Publisher = {University of llinois Physics Education Research Group}, Volume = {2014}, Number = {30 September 2014}, Month = {June 16, 2006}, Year = {2006} }
Refer Export Format

%A Gary Gladding
%T Illinois PER Interactive Examples: Two Rocks on a String
%D June 16, 2006
%I University of llinois Physics Education Research Group
%C Urbana
%U http://research.physics.illinois.edu/per/IE/ie.pl?phys111/ie/04/IE_tworocks_string
%O text/html

EndNote Export Format

%0 Electronic Source
%A Gladding, Gary
%D June 16, 2006
%T Illinois PER Interactive Examples: Two Rocks on a String
%I University of llinois Physics Education Research Group
%V 2014
%N 30 September 2014
%8 June 16, 2006
%9 text/html
%U http://research.physics.illinois.edu/per/IE/ie.pl?phys111/ie/04/IE_tworocks_string


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The AIP Style presented is based on information from the AIP Style Manual.

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Illinois PER Interactive Examples: Two Rocks on a String:

Is Part Of Illinois PER: Interactive Examples

This is the full collection of homework problems by the same author.  It contains six comprehensive problem sets classified by course level.

relation by Caroline Hall

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