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written by Fu-Kwun Hwang
This applet demonstrates the mechanical advantage that can be achieved by a pulley. There are three systems with different numbers of pulleys connected to masses. The systems start at equilibrium. The user can change the masses of the blocks and observe the resultant motion.

This is part of a large collection of java simulations of physical systems. A discussion board for each simulation is available and registered users may download the program.
Subjects Levels Resource Types
Classical Mechanics
- Motion in One Dimension
= Acceleration
- Newton's Second Law
= Interacting Objects
- Statics of Rigid Bodies
= Equilibrium
- Work and Energy
= Simple Machines
- Lower Undergraduate
- High School
- Instructional Material
= Interactive Simulation
Intended Users Formats Ratings
- Learners
- application/java
- text/html
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Access Rights:
Free access
© 2001 Fu-Kwun Hwang
atwood, equilibrium, pulley, simple machine, simulation, student centered
Record Cloner:
Metadata instance created January 17, 2008 by Alea Smith
Record Updated:
January 23, 2011 by Lyle Barbato
Last Update
when Cataloged:
January 29, 2004
Other Collections:

ComPADRE is beta testing Citation Styles!

Record Link
AIP Format
F. Hwang, (2001), WWW Document, (
F. Hwang, NTNU Java: Pulley, (2001), <>.
APA Format
Hwang, F. (2004, January 29). NTNU Java: Pulley. Retrieved July 29, 2016, from
Chicago Format
Hwang, Fu-Kwun. NTNU Java: Pulley. January 29, 2004. (accessed 29 July 2016).
MLA Format
Hwang, Fu-Kwun. NTNU Java: Pulley. 2001. 29 Jan. 2004. 29 July 2016 <>.
BibTeX Export Format
@misc{ Author = "Fu-Kwun Hwang", Title = {NTNU Java: Pulley}, Volume = {2016}, Number = {29 July 2016}, Month = {January 29, 2004}, Year = {2001} }
Refer Export Format

%A Fu-Kwun Hwang
%T NTNU Java: Pulley
%D January 29, 2004
%O application/java

EndNote Export Format

%0 Electronic Source
%A Hwang, Fu-Kwun
%D January 29, 2004
%T NTNU Java: Pulley
%V 2016
%N 29 July 2016
%8 January 29, 2004
%9 application/java

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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.

The Chicago Style presented is based on information from Examples of Chicago-Style Documentation.

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