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This interactive problem presents an accelerating car with a ball of known mass hanging by a string from its ceiling. Given the string displacement from the vertical, learners must determine the magnitude of the car's acceleration. A user-activated "help" sequence promotes understanding of this situation relative to positions both inside and outside the car. Included are a step-by-step conceptual analysis, free-body diagrams, and explanation of math applications. Immediate feedback is received for both correct and incorrect responses. This resource is part of a larger collection of interactive problems for introductory physics. See Related Materials for a link to the full collection.
Subjects Levels Resource Types
Classical Mechanics
- Newton's Second Law
= Force, Acceleration
- Relative Motion
= Moving Reference Frames
Education Practices
- Active Learning
= Problem Solving
- High School
- Instructional Material
= Activity
= Best practice
= Problem/Problem Set
= Tutorial
Appropriate Courses Categories Ratings
- Conceptual Physics
- Algebra-based Physics
- AP Physics
- Activity
- Assessment
- New teachers
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Intended User:
Learner
Format:
text/html
Access Rights:
Free access
Restriction:
© 2006 University of Illinois Physics Education Research Group
Keywords:
Newton's Second Law, acceleration, free-body diagram, homework problem, interactive problem, pendulum, relative motion
Record Cloner:
Metadata instance created January 28, 2008 by Alea Smith
Record Updated:
November 12, 2014 by Caroline Hall
Last Update
when Cataloged:
June 16, 2006
Other Collections:

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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?phys111/ie/03/IE_car).
AJP/PRST-PER
G. Gladding, Illinois PER Interactive Examples: Pendulum in Car (University of llinois Physics Education Research Group, Urbana, 2006), <https://per.physics.illinois.edu/per/IE/ie.pl?phys111/ie/03/IE_car>.
APA Format
Gladding, G. (2006, June 16). Illinois PER Interactive Examples: Pendulum in Car. Retrieved September 12, 2024, from University of llinois Physics Education Research Group: https://per.physics.illinois.edu/per/IE/ie.pl?phys111/ie/03/IE_car
Chicago Format
Gladding, Gary. Illinois PER Interactive Examples: Pendulum in Car. Urbana: University of llinois Physics Education Research Group, June 16, 2006. https://per.physics.illinois.edu/per/IE/ie.pl?phys111/ie/03/IE_car (accessed 12 September 2024).
MLA Format
Gladding, Gary. Illinois PER Interactive Examples: Pendulum in Car. Urbana: University of llinois Physics Education Research Group, 2006. 16 June 2006. 12 Sep. 2024 <https://per.physics.illinois.edu/per/IE/ie.pl?phys111/ie/03/IE_car>.
BibTeX Export Format
@misc{ Author = "Gary Gladding", Title = {Illinois PER Interactive Examples: Pendulum in Car}, Publisher = {University of llinois Physics Education Research Group}, Volume = {2024}, Number = {12 September 2024}, Month = {June 16, 2006}, Year = {2006} }
Refer Export Format

%A Gary Gladding %T Illinois PER Interactive Examples: Pendulum in Car %D June 16, 2006 %I University of llinois Physics Education Research Group %C Urbana %U https://per.physics.illinois.edu/per/IE/ie.pl?phys111/ie/03/IE_car %O text/html

EndNote Export Format

%0 Electronic Source %A Gladding, Gary %D June 16, 2006 %T Illinois PER Interactive Examples: Pendulum in Car %I University of llinois Physics Education Research Group %V 2024 %N 12 September 2024 %8 June 16, 2006 %9 text/html %U https://per.physics.illinois.edu/per/IE/ie.pl?phys111/ie/03/IE_car

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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.

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.

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Illinois PER Interactive Examples: Pendulum in Car:

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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