NTNUJAVA Virtual Physics Laboratory
Enjoy the fun of physics with simulations!
Backup site http://enjoy.phy.ntnu.edu.tw/ntnujava/
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Life well spent is long. ..."da Vinci (1452-1519, Italian artist, sculptor, painter, architect, engineer and scientist) "
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Author Topic: Broom balancing  (Read 16870 times)
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Fu-Kwun Hwang
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on: February 25, 2007, 10:54:30 am »

1. Find a broom or any stick.
2. Spread your hands as far apart as you can along the broom.
3. Slowly slide you fingers together at the same speed. You will find that the finger close to the broom head doesn't move much compared to other finger.
4. Once you get you fingers together you have found the broom's center of gravity.
5. You balance the whole broom using one finger on that point.
6. Try it again, but only move one finger at a time. However, you will find your fingers touched at the broom's center of gravity again (no matter which finger you are moving! Grin ).

This applet show you the phyisc for this fun activity.
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  • Post questions to be asked to help students to think, to explore.
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Let's work together. We can help more users understand physics conceptually and enjoy the fun of learning physics!


* balancedcm.gif (7.76 KB, 624x344 - viewed 648 times.)
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Fu-Kwun Hwang
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Reply #1 on: February 25, 2007, 11:18:52 am »

If you are interested, please chek out another similar applet (with tension forces) .
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Life well spent is long. ..."da Vinci (1452-1519, Italian artist, sculptor, painter, architect, engineer and scientist) "
 
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