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written by David Stern
This web page describes motion of an object traveling in a circle. The need for centripetal force to maintain the object's acceleration is derived using algebra and the Pythagoras theorem. A related lesson plan is available. This is a part of "From Stargazers to Starships," an extensive web site on introductory physics and astronomy.
Subjects Levels Resource Types
Classical Mechanics
- Applications of Newton's Laws
- Motion in Two Dimensions
- Rotational Dynamics
- Lower Undergraduate
- High School
- Instructional Material
= Curriculum support
= Lecture/Presentation
= Lesson/Lesson Plan
Intended Users Formats Ratings
- Learners
- Educators
- text/html
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Access Rights:
Free access
© 1998 David Stern
angular motion, centripetal acceleration, centripetal force, circular motion, geometrical
Record Creator:
Metadata instance created September 30, 2005 by Henry Bradsher
Record Updated:
April 29, 2009 by Lyle Barbato
Last Update
when Cataloged:
September 22, 2004
Other Collections:

ComPADRE is beta testing Citation Styles!

Record Link
AIP Format
D. Stern, (1998), WWW Document, (
D. Stern, Motion in a Circle (1998), <>.
APA Format
Stern, D. (2004, September 22). Motion in a Circle. Retrieved March 22, 2023, from
Chicago Format
Stern, David. Motion in a Circle. September 22, 2004. (accessed 22 March 2023).
MLA Format
Stern, David. Motion in a Circle. 1998. 22 Sep. 2004. 22 Mar. 2023 <>.
BibTeX Export Format
@misc{ Author = "David Stern", Title = {Motion in a Circle}, Volume = {2023}, Number = {22 March 2023}, Month = {September 22, 2004}, Year = {1998} }
Refer Export Format

%A David Stern %T Motion in a Circle %D September 22, 2004 %U %O text/html

EndNote Export Format

%0 Electronic Source %A Stern, David %D September 22, 2004 %T Motion in a Circle %V 2023 %N 22 March 2023 %8 September 22, 2004 %9 text/html %U

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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 Electronic References.

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