## Website Detail Page

written by Gary Gladding
published by the University of llinois Physics Education Research Group
This is an interactive homework problem relating to conservation of angular momentum.  A small block on a string travels in circular motion on a table top.  The string passes through a hole in the table's center, hence the circle radius can be shortened by pulling the string.  Given mass of the block, students must determine work done as the circular path decreases from radius .63 m to .51 m.

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
- Rotational Dynamics
= Conservation of Angular Momentum
= Rotational Energy
Education Practices
- Active Learning
= Problem Solving
- Lower Undergraduate
- High School
- Instructional Material
= Activity
= Best practice
= 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:
Work Energy Theorem, angular momentum, homework problem, interactive problem, moment of inertia, rotation
Record Cloner:
Metadata instance created February 3, 2008 by Alea Smith
Record Updated:
August 3, 2016 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, (https://per.physics.illinois.edu/per/IE/ie.pl?phys101/ie/09/rotating_block).
AJP/PRST-PER
G. Gladding, Illinois PER Interactive Examples: Rotating Block and String, (University of llinois Physics Education Research Group, Urbana, 2006), <https://per.physics.illinois.edu/per/IE/ie.pl?phys101/ie/09/rotating_block>.
APA Format
Gladding, G. (2006, June 16). Illinois PER Interactive Examples: Rotating Block and String. Retrieved May 22, 2022, from University of llinois Physics Education Research Group: https://per.physics.illinois.edu/per/IE/ie.pl?phys101/ie/09/rotating_block
Chicago Format
Gladding, Gary. Illinois PER Interactive Examples: Rotating Block and String. Urbana: University of llinois Physics Education Research Group, June 16, 2006. https://per.physics.illinois.edu/per/IE/ie.pl?phys101/ie/09/rotating_block (accessed 22 May 2022).
MLA Format
Gladding, Gary. Illinois PER Interactive Examples: Rotating Block and String. Urbana: University of llinois Physics Education Research Group, 2006. 16 June 2006. 22 May 2022 <https://per.physics.illinois.edu/per/IE/ie.pl?phys101/ie/09/rotating_block>.
BibTeX Export Format
@misc{ Author = "Gary Gladding", Title = {Illinois PER Interactive Examples: Rotating Block and String}, Publisher = {University of llinois Physics Education Research Group}, Volume = {2022}, Number = {22 May 2022}, Month = {June 16, 2006}, Year = {2006} }
Refer Export Format

%A Gary Gladding %T Illinois PER Interactive Examples: Rotating Block and String %D June 16, 2006 %I University of llinois Physics Education Research Group %C Urbana %U https://per.physics.illinois.edu/per/IE/ie.pl?phys101/ie/09/rotating_block %O text/html

EndNote Export Format

%0 Electronic Source %A Gladding, Gary %D June 16, 2006 %T Illinois PER Interactive Examples: Rotating Block and String %I University of llinois Physics Education Research Group %V 2022 %N 22 May 2022 %8 June 16, 2006 %9 text/html %U https://per.physics.illinois.edu/per/IE/ie.pl?phys101/ie/09/rotating_block

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### Illinois PER Interactive Examples: Rotating Block and String:

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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