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Today was a very interesting day in physics. There were a lot of papers ready to be picked up when we walked in, a sure sign of the beginning of a new unit. We started off by getting out unit 7 tests back. We discussed certain problems that were giving us trouble and even had a little fun on the way. Unit 8 was then started. Unit 8 deals with uniform circular motion. We then took a look at velocity, force, and acceleration in UCM by swinging a spongy ball on a rope. We guessed the direction the ball would travel in when we let it go at different points in the rotatation. We also looked at how we could calculate the velocity and acceleration of people on a ferris wheel using the circumference, height, etc. It was a solid educational experience. We were informed that unit 8 will be very short, and the test would probably be next Friday. The reading guide will be due at a later date.