Website Detail Page

Item Picture
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.
Subjects Levels Resource Types
Motion, Forces, and Energy
- Newton's Third Law
= Action/Reaction
- Informal Education
- High School
- Lower Undergraduate
- Instructional Material
= Tutorial
- Reference Material
= Article
- Audio/Visual
= Illustration
Intended Users Formats Ratings
- Learners
- text/html
- image/gif
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Additional Information
image credit: U.S. Air Force; image source; larger image This resource was a Physics To Go feature from May 1, 2012 until May 16, 2012. View the feature here!


Access Rights: Free access
Restriction: Does not have a copyright, license, or other use 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: Oct 14, 2015 by Caroline Hall
Last Update
when Cataloged:
June 1, 2010
Other Collections:

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.

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)
ComPADRE is beta testing Citation Styles!

Record Link
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 February 9, 2016, 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 9 February 2016).
MLA Format
Breinig, Marianne. University of Tennessee: Newton's 3rd Law Tutorial. 2003. 1 June 2010. 9 Feb. 2016 <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 = {2016}, Number = {9 February 2016}, 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 2016
%N 9 February 2016
%8 June 1, 2010
%9 text/html
%U http://labman.phys.utk.edu/phys135/modules/m4/3rdLaw.htm


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Citation Source Information

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