| Simple Machine Invention: Operation Homework |
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About this machine: It destroys homework. It’s for anyone who wants one. It has six wedges and a wheel and axle. It destroys homework if you get too frustrated with it. It costs $44. It is one foot, three inches long. |
| LINKS> | http://sln.fi.edu/qa97/spotlight3/spotlight3.html
http://www.coe.uh.edu/archive/science/science_lessons/scienceles1/wedge.htm |