Wednesday, November 30, 2011

11/30 Zimmerman

We turned in our Newtons Law Test Review. Hewitt Reading questions on friction was assigned for homework. Class activities consisted of working hard on the Newtons Law Test. It was fun. Something crazy that happened today is that there is a new memory deletion for our calculator for todays test. This crazy thing happened because we used matrices. We didnt really learn or cover any new material in class. We just slave over our test. But one thing I learned is that if you need help, you should wake up extra early and get help! Team I ♥ Life was about to protest the test because a team member was missing (Nathan Turner I) but then he pulled through and showed up, so all was good.

Question of the day:

If your tires lock up when you travel at a high rate of speed on an icy road, what kind of friction exists between the tires and the icy road?

Highly Intelligent answer:

Great question ch. Thanks for asking. The answer is that the friction would be called sliding friction. When the tire is rotating, its surface does not slide along the road surface, and friction is static friction. But when your breaks lock up the tires are not rotating thus resulting in sliding friction.

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