Friday, November 16, 2007

Chapter 9 Review

1.Rotation-is a spinRevolution- when an object turns about an external axis.

2. he revolves

3.linear speed- distance moved per units of timerotational speed-is the number of rotations per unit of time

4. its called tangential

5. it increases

6. it decreases

7. because of centripetal force

8.it always pushes towards the center of the ratation

9. towards.

10. an outward force

11.centripetal force

12.centrifugal force

13.the ladybug is being pushed towards the bottom of the can and thecan pushed towards the ladybug
14.
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18.so you dont feel the circular motion as much

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