Today's quiz was challenging for some but I think everyone can agree that the questions accurately represent what we learned in class this week and how well you studied your notes / homework / followed along in class lecture, discussion, and demonstrations.
After the quiz you could look over your friction lab handout; I anticipate having the friction lab probably Tuesday of next week.
We took a tiny bit of notes on centripetal (center-seeking) force and acceleration and diagrammed two situations where it is a significant factor, then what would happen if it was suddenly removed.
Finally, we got to see some cars with extra thought into air resistance, and looked at science stuff in the news.
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