University of Tennessee: Newton's 3rd Law Tutorial

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written by Marianne Breinig

This site from the University of Tennessee provides an explanation of Newton's third law with text and drawings. Diagrams illustrate the force on an object and the reaction force that the object exerts. The page includes several problems on reaction forces and equilibrium.

This page is part of a web-based introductory physics course at the University of Tennessee.

http://labman.phys.utk.edu/phys135/modules/m4/3rdLaw.htm

Subjects	Levels	Resource Types
Classical Mechanics - Newton's Third Law = Action/Reaction	- Informal Education - High School - Lower Undergraduate	- Instructional Material = Tutorial - Reference Material = Article - Audio/Visual = Image/Image Set

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

Access Rights:: Free access
Restriction:: Does not have a copyright, license, or other use restriction.
Keyword:: force pairs
Record Creator:: Metadata instance created April 23, 2012 by Ed Lee
Record Updated:: October 14, 2015 by Caroline Hall
Last Update when Cataloged:: June 1, 2010
Other Collections:: The Physics To Go

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Next Generation Science Standards

Disciplinary Core Ideas (K-12)

Forces and Motion (PS2.A)

For any pair of interacting objects, the force exerted by the first object on the second object is equal in strength to the force that the second object exerts on the first, but in the opposite direction (Newton's third law). (6-8)

AAAS Benchmark Alignments (2008 Version)

4. The Physical Setting

4F. Motion

9-12: 4F/H4. Whenever one thing exerts a force on another, an equal amount of force is exerted back on it.

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Record Link

<a href="https://psrc.aapt.org/items/detail.cfm?ID=11794">Breinig, Marianne. University of Tennessee: Newton's 3rd Law Tutorial. June 1, 2010.</a>

AIP Format

M. Breinig, (2003), WWW Document, (http://labman.phys.utk.edu/phys135/modules/m4/3rdLaw.htm).

AJP/PRST-PER

M. Breinig, University of Tennessee: Newton's 3rd Law Tutorial (2003), <http://labman.phys.utk.edu/phys135/modules/m4/3rdLaw.htm>.

APA Format

Breinig, M. (2010, June 1). University of Tennessee: Newton's 3rd Law Tutorial. Retrieved August 13, 2026, from http://labman.phys.utk.edu/phys135/modules/m4/3rdLaw.htm

Chicago Format

Breinig, Marianne. University of Tennessee: Newton's 3rd Law Tutorial. June 1, 2010. http://labman.phys.utk.edu/phys135/modules/m4/3rdLaw.htm (accessed 13 August 2026).

MLA Format

Breinig, Marianne. University of Tennessee: Newton's 3rd Law Tutorial. 2003. 1 June 2010. 13 Aug. 2026 <http://labman.phys.utk.edu/phys135/modules/m4/3rdLaw.htm>.

BibTeX Export Format

@misc{ Author = "Marianne Breinig", Title = {University of Tennessee: Newton's 3rd Law Tutorial}, Volume = {2026}, Number = {13 August 2026}, Month = {June 1, 2010}, Year = {2003} }

Refer Export Format

%A Marianne Breinig %T University of Tennessee: Newton's 3rd Law Tutorial %D June 1, 2010 %U http://labman.phys.utk.edu/phys135/modules/m4/3rdLaw.htm %O text/html

EndNote Export Format

%0 Electronic Source %A Breinig, Marianne %D June 1, 2010 %T University of Tennessee: Newton's 3rd Law Tutorial %V 2026 %N 13 August 2026 %8 June 1, 2010 %9 text/html %U http://labman.phys.utk.edu/phys135/modules/m4/3rdLaw.htm

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The AIP Style presented is based on information from the AIP Style Manual.

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Next Generation Science Standards

Disciplinary Core Ideas (K-12)

AAAS Benchmark Alignments (2008 Version)

4. The Physical Setting

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