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Rube Goldberg/ Simple Machines

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Transcript of Rube Goldberg/ Simple Machines

Bibliography
Rube Goldberg and Simple Machines
by Nancy P.B. and Maddie Z.
Final Rube Goldberg Cells 4-7
Our Rube Goldberg Progress Picture #1
Inclined Plane
http://www.elizrosshubbell.com/levertutorial/first.html
google
google images
http://legacy.mos.org/sln/Leonardo/InventorsToolbox.html
http://www.cosi.org/downloads/activities/simplemachines/sm1.html
http://www.mikids.com/Smachines.htm
http://library.thinkquest.org/CR0210120/Mechanical%20Advantage.html
eHow.com
http://mousetrapcontraptions.com/history-4.html
http://www.rubegoldberg.com/
what is it?
Mechanical advantage?
Ex.
First Class Lever
what is it?
ex
Second Class Lever
Third Class Lever
what is it?
ex
fulcrum
fulcrum
Wedge
what is it?
mechanical advantage?
ex
Pulley and Belt
what is it?
mechanical advantage?
ex
what is it?
mechanical advantage?
ex
what is it?
ex
MA = effort arm length / resistance arm length
Our Rube Goldberg
#4!!!!!
First idea failed
...But that's OK
Because we got another idea! From......
Rube Goldberg
The Six Simple Machines
born
career after college
his work
Progress pictures #2
MA = effort arm length / resistance arm length
MA = effort arm length / resistance arm length
Screw
Wheel and Axle
Final Rube Goldberg picture
Mr. Livesay's finger
Mr. Krabs!!
Full transcript