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written by Fu-Kwun Hwang
This simulation demonstrates energy conservation for a pendulum.  It shows a simple pendulum oscillating back and forth, and it graphs the kinetic and potential energy of the system as it oscillates.  Students can can change the gravity, adjust the length of the pendulum, and change the mass of the bob.

Editor's Note: This simulation was designed to help students see that the period of a pendulum depends largely on the length of the pendulum and the gravitational constant (not the mass of the pendulum bob). They will see that the pendulum swings in simple harmonic motion as long as the initial angle is under 20 degrees.

Please note that this resource requires Java.
Subjects Levels Resource Types
Oscillations & Waves
- Oscillations
= Pendula
- High School
- Lower Undergraduate
- Instructional Material
= Interactive Simulation
Appropriate Courses Categories Ratings
- Physical Science
- Physics First
- Conceptual Physics
- Algebra-based Physics
- AP Physics
- Lesson Plan
- Activity
- New teachers
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© 2000 Fu-Kwun Hwang
conservation of energy, pendulum motion, periodic motion, simple harmonic motion
Record Cloner:
Metadata instance created June 28, 2006 by Jason Garman
Record Updated:
October 18, 2011 by Caroline Hall
Last Update
when Cataloged:
January 29, 2004
Other Collections:

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Record Link
AIP Format
F. Hwang, (2000), WWW Document, (http://www.phy.ntnu.edu.tw/ntnujava/index.php?topic=11.0).
F. Hwang, NTNU Java: Pendulum, (2000), <http://www.phy.ntnu.edu.tw/ntnujava/index.php?topic=11.0>.
APA Format
Hwang, F. (2004, January 29). NTNU Java: Pendulum. Retrieved October 18, 2018, from http://www.phy.ntnu.edu.tw/ntnujava/index.php?topic=11.0
Chicago Format
Hwang, Fu-Kwun. NTNU Java: Pendulum. January 29, 2004. http://www.phy.ntnu.edu.tw/ntnujava/index.php?topic=11.0 (accessed 18 October 2018).
MLA Format
Hwang, Fu-Kwun. NTNU Java: Pendulum. 2000. 29 Jan. 2004. 18 Oct. 2018 <http://www.phy.ntnu.edu.tw/ntnujava/index.php?topic=11.0>.
BibTeX Export Format
@misc{ Author = "Fu-Kwun Hwang", Title = {NTNU Java: Pendulum}, Volume = {2018}, Number = {18 October 2018}, Month = {January 29, 2004}, Year = {2000} }
Refer Export Format

%A Fu-Kwun Hwang
%T NTNU Java: Pendulum
%D January 29, 2004
%U http://www.phy.ntnu.edu.tw/ntnujava/index.php?topic=11.0
%O application/java

EndNote Export Format

%0 Electronic Source
%A Hwang, Fu-Kwun
%D January 29, 2004
%T NTNU Java: Pendulum
%V 2018
%N 18 October 2018
%8 January 29, 2004
%9 application/java
%U http://www.phy.ntnu.edu.tw/ntnujava/index.php?topic=11.0

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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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