Monday, December 2, 2013

Centroids Part II

We finished part II of the centroids packet today with our table groups. Corin, Conner, Conner, Quinn, and Mark were in my group.

The first part was to make a complex shape out of a manila folder or some foam board
Sadly part of our shape was cut out of the picture
Then using a thumb tack, sheet of foam board and plumb bob made out of string and a roll of tap
The process of drawing lines where the string hung in front of our shape
We finished drawing lines from all of the corners using the plumb bob
This is the first side we tried
Turned out our approximated centroid location was off so we tried again
We redid the lines on the other side
This time we made a little bigger holes to allow more free movement
Our new approximated location for the centroid was much more accurate
Using a finger on the centroid we could balance the foam board shape
Yay!!!

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