Concepts of Physics
Chapters 9 & 11
Other Chapters
Color Key
Black: In Class
Green: Due/Test
Red: Homework
Blue: Related links
Updated 2.8.2008
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Tuesday, January 29 – No school – Snow Day
Wednesday, January 30
- Machines Lab Due
- Read Chapter 9
- Intro. to Circular motion
- Rotation, revolution, axis, linear speed, tangential speed, rotational speed
- Use Earth as example of rotation and revolution - rotates once per day (rotational speed) and revolves around the Earth once per year.
- Calculate Earth's rotational speed about its axis (earth's radius is 3956 mi and rotational period is 24 hr) and about the sun (earth is 93 million mi from the sun and revolutional period is 8766 hr).
- Centripetal force and centrifugal force
Thursday, January 31
Friday, February 1 – No School – Teacher Professional Development Day
Monday, February 4
- Discuss Circular Motion Lab
Tuesday, February 5
- P. 133, 7–12 due
- Discuss Circular Motion Lab
- Centripetal force vs. centrifugal force
- Demos: cup on board, football on string, discuss forces when going around a corner in a car
Wednesday, February 6
- P. 133, 19–23 due
- Discuss homework from today and yesterday
Thursday, February 7
- Gyroscopic motion - bicycle wheel
- Bicycle balancing - are training wheels necessary?
- Read about the Segway scooter
- Artificial gravity in rotating space ship
- Applications of circular motion - Concept Development 9-1
Friday, February 8
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