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the Simple Machines
The picture I chose to describe shows some students using the wheels and axels.
The wheel and axel are two very important simple machines. Students found out that the bigger the wheel, the less force is needed to turn the wheel and the ones surrounding it, and the smaller the wheel, the harder it is to turn it. This simple machines is very interesting.
Article posted April 30, 2010 at 10:45 AM •
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