Monday, March 15, 2010

Calculating efficiency

Friday we discussed finding the mechanical advantage. Today we went a step further and looked at the efficiency of our machine (the inclined plane). If you would like practice click here. Use the links on the left hand side for practice problems on efficiency (Math Practice #1) and mechanical advantage (Math Practice #2). Tomorrow will be your quiz.

Also, cafe projects are due by 3/17 (Wednesday!). So far the projects coming in look great!

Reminder that Friday the boys will be attending the Young Men's Conference. The girls will be staying back and doing activities within each class period. For our class on Friday, girls are requested to bring in a plain white T-shirt (or a very light colored, such as yellow or pink) to be used during a color changing event!

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