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This is an interactive homework problem for introductory physics students involving a cart and a block connected by a string passing over an ideal pulley.  Given the mass of both objects and distance of motion, the student must determine the work done on the cart by the string.  Students choose whether to solve the problem using Newton's Second Law or the Work-Kinetic Energy Theorem.   A user-activated "help" sequence is provided for each step of the problem-solving, from conceptual analysis through quantitative calculation.  To promote critical thinking, 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.
Subjects Levels Resource Types
Classical Mechanics
- Work and Energy
= Work
Education Practices
- Active Learning
= Problem Solving
- High School
- Instructional Material
= Activity
= Best practice
= Tutorial
Appropriate Courses Categories Ratings
- Physics First
- Conceptual Physics
- Algebra-based Physics
- AP Physics
- Activity
- Assessment
- New teachers
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© 2006 University of Illinois Physics Education Research Group
Keywords:
Work Energy Theorem, conservation of mechanical energy, homework problem, ideal pulley, interactive problem, pulley, velocity, work
Record Cloner:
Metadata instance created January 30, 2008 by Alea Smith
Record Updated:
January 11, 2015 by Caroline Hall
Last Update
when Cataloged:
June 16, 2006
Other Collections:

This resource is part of a Physics Front Topical Unit.

Topic: Conservation of Energy
Unit Title: Interactive Problem Solving

Try this homework problem as an extension of  the two above.  It involves a cart and block connected by a string passing over an ideal pulley.  Students choose whether to solve the problem using Newton's Second Law or the Work-Kinetic Energy Theorem.  Extensive help is offered for either choice.

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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/06/p2m).
AJP/PRST-PER
G. Gladding, Illinois PER Interactive Examples: Pulley and Two Masses, (University of llinois Physics Education Research Group, Urbana, 2006), <https://per.physics.illinois.edu/per/IE/ie.pl?phys101/ie/06/p2m>.
APA Format
Gladding, G. (2006, June 16). Illinois PER Interactive Examples: Pulley and Two Masses. Retrieved November 24, 2020, from University of llinois Physics Education Research Group: https://per.physics.illinois.edu/per/IE/ie.pl?phys101/ie/06/p2m
Chicago Format
Gladding, Gary. Illinois PER Interactive Examples: Pulley and Two Masses. Urbana: University of llinois Physics Education Research Group, June 16, 2006. https://per.physics.illinois.edu/per/IE/ie.pl?phys101/ie/06/p2m (accessed 24 November 2020).
MLA Format
Gladding, Gary. Illinois PER Interactive Examples: Pulley and Two Masses. Urbana: University of llinois Physics Education Research Group, 2006. 16 June 2006. 24 Nov. 2020 <https://per.physics.illinois.edu/per/IE/ie.pl?phys101/ie/06/p2m>.
BibTeX Export Format
@misc{ Author = "Gary Gladding", Title = {Illinois PER Interactive Examples: Pulley and Two Masses}, Publisher = {University of llinois Physics Education Research Group}, Volume = {2020}, Number = {24 November 2020}, Month = {June 16, 2006}, Year = {2006} }
Refer Export Format

%T Illinois PER Interactive Examples: Pulley and Two Masses
%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/06/p2m
%O text/html

EndNote Export Format

%0 Electronic Source
%D June 16, 2006
%T Illinois PER Interactive Examples: Pulley and Two Masses
%I University of llinois Physics Education Research Group
%V 2020
%N 24 November 2020
%8 June 16, 2006
%9 text/html
%U https://per.physics.illinois.edu/per/IE/ie.pl?phys101/ie/06/p2m

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### Illinois PER Interactive Examples: Pulley and Two Masses:

Is Part Of Illinois PER: Interactive Examples

A link to the full collection of interactive problems by the same author.

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