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This is an interactive homework problem for introductory physics students relating to the buoyant force.  It involves a system of a floating bobber, fishing line, a fishhook, and bait, with mass and volume given for each.   The line has been cast into a lake of known water density.  The student is required to determine the minimum downward force a fish must exert to pull the bobber completely under the water.  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
- Newton's Second Law
= Force, Acceleration
Education Practices
- Active Learning
= Problem Solving
Fluid Mechanics
- Statics of Fluids
= Density and Buoyancy
- 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:
Archimedes Principle, buoyancy, buoyant force, density, fluids, force
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
ComPADRE is beta testing Citation Styles!

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/11/bobber).
AJP/PRST-PER
G. Gladding, Illinois PER Interactive Examples: Bobber (University of llinois Physics Education Research Group, Urbana, 2006), <https://per.physics.illinois.edu/per/IE/ie.pl?phys101/ie/11/bobber>.
APA Format
Gladding, G. (2006, June 16). Illinois PER Interactive Examples: Bobber. Retrieved December 1, 2023, from University of llinois Physics Education Research Group: https://per.physics.illinois.edu/per/IE/ie.pl?phys101/ie/11/bobber
Chicago Format
Gladding, Gary. Illinois PER Interactive Examples: Bobber. Urbana: University of llinois Physics Education Research Group, June 16, 2006. https://per.physics.illinois.edu/per/IE/ie.pl?phys101/ie/11/bobber (accessed 1 December 2023).
MLA Format
Gladding, Gary. Illinois PER Interactive Examples: Bobber. Urbana: University of llinois Physics Education Research Group, 2006. 16 June 2006. 1 Dec. 2023 <https://per.physics.illinois.edu/per/IE/ie.pl?phys101/ie/11/bobber>.
BibTeX Export Format
@misc{ Author = "Gary Gladding", Title = {Illinois PER Interactive Examples: Bobber}, Publisher = {University of llinois Physics Education Research Group}, Volume = {2023}, Number = {1 December 2023}, Month = {June 16, 2006}, Year = {2006} }
Refer Export Format

%A Gary Gladding %T Illinois PER Interactive Examples: Bobber %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/11/bobber %O text/html

EndNote Export Format

%0 Electronic Source %A Gladding, Gary %D June 16, 2006 %T Illinois PER Interactive Examples: Bobber %I University of llinois Physics Education Research Group %V 2023 %N 1 December 2023 %8 June 16, 2006 %9 text/html %U https://per.physics.illinois.edu/per/IE/ie.pl?phys101/ie/11/bobber

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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: Bobber:

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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