NTNUJAVA Virtual Physics Laboratory
Enjoy the fun of physics with simulations!
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Author Topic: Earth and Moon  (Read 5461 times)
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Fu-Kwun Hwang
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on: June 13, 2010, 11:16:07 am » posted from:Taipei,T\'ai-pei,Taiwan

Earth  and Moon 
This is a simulation of a reduced two-body problem.
I have used data for the Earth and the Moon just to make it more attractive . The rotation is simulated using animated gifs. However, in slow machines, this can unnecesarily waste some computer resources. Hence, if the simulation behaves strangely, substitute the animated gifs for the static ones you will find in the data directory.
The difficult part is certainly to set up initial conditions so that the elliptical orbit has a period that approximates the real one of the Moon around the Earth. As an exercise for your students, delete the initialConditions initialization page and ask your students to reproduce it!

Author : Francisco Esquembre 

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Press the Alt key and the left mouse button to drag the applet off the browser and onto the desktop. This work is licensed under a Creative Commons Attribution 2.5 Taiwan License
  • Please feel free to post your ideas about how to use the simulation for better teaching and learning.
  • Post questions to be asked to help students to think, to explore.
  • Upload worksheets as attached files to share with more users.
Let's work together. We can help more users understand physics conceptually and enjoy the fun of learning physics!

* EarthandMoon.gif (5.25 KB, 404x310 - viewed 527 times.)
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Reply #1 on: March 05, 2015, 01:16:26 am » posted from:,,Satellite Provider

A forlorn Earth object on the moon... for some reason this is reminding me of a South Park episode called Free Willzyx.
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