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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 torque due to frictional force.  A 1050 kg sign is attached to a rod perpendicular to a rough wall.  A guy wire is affixed to the end of the rod and to the wall, bearing the load of the sign.  Students must determine the smallest value of coefficient of friction possible for the sign to stay in place.  A user-activated "help" sequence is provided for each step of the problem-solving, from conceptual analysis through quantitative calculation. 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
- Applications of Newton's Laws
= Dynamic Torque
= Friction
Education Practices
- Active Learning
= Problem Solving
- Lower Undergraduate
- High School
- Instructional Material
= Activity
= Best practice
= Curriculum support
= Problem/Problem Set
= Tutorial
Intended Users Formats Ratings
- Learners
- text/html
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Access Rights:
Free access
Restriction:
© 2006 University of Illinois Physics Education Research Group
Keywords:
friction, homework problem, interactive problem, static equilibrium, torque
Record Cloner:
Metadata instance created February 3, 2008 by Alea Smith
Record Updated:
February 19, 2015 by Caroline Hall
Last Update
when Cataloged:
August 31, 2014
Other Collections:

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Record Link
AIP Format
G. Gladding, (University of llinois Physics Education Research Group, Urbana, 2006), WWW Document, (http://per.physics.illinois.edu/per/IE/ie.pl?phys101/ie/08/sign).
AJP/PRST-PER
G. Gladding, Illinois PER Interactive Examples: Hanging Sign, (University of llinois Physics Education Research Group, Urbana, 2006), <http://per.physics.illinois.edu/per/IE/ie.pl?phys101/ie/08/sign>.
APA Format
Gladding, G. (2014, August 31). Illinois PER Interactive Examples: Hanging Sign. Retrieved April 21, 2015, from University of llinois Physics Education Research Group: http://per.physics.illinois.edu/per/IE/ie.pl?phys101/ie/08/sign
Chicago Format
Gladding, Gary. Illinois PER Interactive Examples: Hanging Sign. Urbana: University of llinois Physics Education Research Group, August 31, 2014. http://per.physics.illinois.edu/per/IE/ie.pl?phys101/ie/08/sign (accessed 21 April 2015).
MLA Format
Gladding, Gary. Illinois PER Interactive Examples: Hanging Sign. Urbana: University of llinois Physics Education Research Group, 2006. 31 Aug. 2014. 21 Apr. 2015 <http://per.physics.illinois.edu/per/IE/ie.pl?phys101/ie/08/sign>.
BibTeX Export Format
@misc{ Author = "Gary Gladding", Title = {Illinois PER Interactive Examples: Hanging Sign}, Publisher = {University of llinois Physics Education Research Group}, Volume = {2015}, Number = {21 April 2015}, Month = {August 31, 2014}, Year = {2006} }
Refer Export Format

%A Gary Gladding
%T Illinois PER Interactive Examples: Hanging Sign
%D August 31, 2014
%I University of llinois Physics Education Research Group
%C Urbana
%U http://per.physics.illinois.edu/per/IE/ie.pl?phys101/ie/08/sign
%O text/html

EndNote Export Format

%0 Electronic Source
%A Gladding, Gary
%D August 31, 2014
%T Illinois PER Interactive Examples: Hanging Sign
%I University of llinois Physics Education Research Group
%V 2015
%N 21 April 2015
%8 August 31, 2014
%9 text/html
%U http://per.physics.illinois.edu/per/IE/ie.pl?phys101/ie/08/sign


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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.

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Illinois PER Interactive Examples: Hanging Sign:

Is Part Of Illinois PER: Interactive Examples

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

relation by Caroline Hall

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