Understanding Mechanical Advantage

What machines will a mouse trap car have?  Well, you need a body, wheels, and a mousetrap.

The mousetrap is a lever.  What type?  Does this make things faster or easier?







Here, we have two machines (3rd class lever and a wheel and axle) with an AMA less than 1.  What does this do for the racer?   How can we maximize this factor for the wheels?

Compound Machines

Go through http://edheads.org/activities/odd_machine/frame_loader.htm and keep track of the number of questions you get correct.


Watch this video

Hang Time Video

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Another video voiceover: http://www.youtube.com/watch?v=dg5AuYCsg98&feature=related

10/31

Please complete this Sport Form

Time Out for Hurricane Science

http://www.meted.ucar.edu/hurrican/strike/

Thursday and Friday Science Interactions

 Measure your vertical jump using the method found on p. 75 of your book

 Complete pp. 68-70 in your purple book

 Hand in the following at the end of the hour:
 p 66 #1, #5, #6, #10
p. 72 #1, 2, 3, 4
p. 80 #2,3, 5, 6

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