Illinois PER Interactive Examples: Bobber

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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 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.

https://per.physics.illinois.edu/per/IE/ie.pl?phys101/ie/11/bobber

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	- Lower Undergraduate	- Instructional Material = Activity = Best practice = Tutorial

Intended Users	Formats	Ratings
- Learners	- text/html	Currently 0.0/5 Want to rate this material? Login here!

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

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Record Link

<a href="https://www.compadre.org/introphys/items/detail.cfm?ID=6439">Gladding, Gary. Illinois PER Interactive Examples: Bobber. Urbana: University of llinois Physics Education Research Group, June 16, 2006.</a>

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 9, 2024, 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 9 December 2024).

MLA Format

Gladding, Gary. Illinois PER Interactive Examples: Bobber. Urbana: University of llinois Physics Education Research Group, 2006. 16 June 2006. 9 Dec. 2024 <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 = {2024}, Number = {9 December 2024}, 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 2024 %N 9 December 2024 %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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The AIP Style presented is based on information from the AIP Style Manual.

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