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The softest thing overcomes the hardest thing in the universe. ...Lao Tzu (570-490 BC)
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Author Topic: Free Fall Diagram for Primary School Students  (Read 10472 times)
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engrg1
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on: February 22, 2012, 04:04:09 pm » posted from:-,-,SINGAPORE

Here is the free fall java applet that I have remixed for the students.
The original source code is written by Andrew Duffy and can be found in
http://www.opensourcephysics.org/document/ServeFile.cfm?ID=10001&DocID=1639

Here are the changes that I have made :
(1) Remove the graphs
(2) Do have 3 free fall diagrams.
(3) Add in the "arrow" for the weight.



Feel free to comment!

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* freefall.jpg (93.85 KB, 989x561 - viewed 322 times.)
« Last Edit: February 22, 2012, 04:07:59 pm by engrg1 » Logged
engrg1
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Reply #1 on: February 23, 2012, 12:56:00 pm » posted from:SINGAPORE,SINGAPORE,SINGAPORE

Have remixed a 2nd verison. Allows the students to change the intial height , velocity and mass for each place.

Possible usuage:
1. Let the students design an experiment and find out which place exerts the greatest force
The intial values are set differently so as to see if the students can design an accurate experiment.

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Full screen applet or Problem viewing java?Add http://www.phy.ntnu.edu.tw/ to exception site list
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!
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Fu-Kwun Hwang
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Reply #2 on: February 23, 2012, 02:22:29 pm » posted from:Taipei,T'ai-pei,Taiwan

If you want to keep different versions, you can upload jar file for each of them. As you have done above.

You can open "modified message page" and upload jar file again to replace previous jar file if you just want to keep the latest version.
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Reply #3 on: August 13, 2012, 07:39:18 am » posted from:SINGAPORE,SINGAPORE,SINGAPORE

vector drawing force down and a magnitude of negative value is it confusing for students?



for your consideration


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engrg1
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Reply #4 on: August 19, 2012, 11:03:56 am » posted from:Singapore,,Singapore

Thank , Lookang. Will look into this.
This applet is too difficult for the primary school.
Will think hard how to simplify it without losing the "physics" behind it.
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