SAMPLE: History

Title: Stop! I'm Getting Dizzy!

Background: Around the turn of the century, across North America and Western Europe, fairs and amusement parks were a major type of summer entertainment for many families. In fact, summer fairs were a key aspect of the period's social structure. And, one of the favorite attractions was the merry-go-round or the carousel.

Questions:

1. Use the information at http://www.carouselmuseum.com/history.html to create an original 200 word summary of carousel history.

2. Find the period of a Carnie's 20 g good luck charm swinging on a 25 cm chain.

3. A carousel animal base has loosened and needs an 80 N-m torque to tighten it. Would a 70 N force applied at the end of a 50 cm long wrench be sufficient?

4. Please go to: http://www.nca-usa.org/Carvers_Builders3.htm and print the image of The White Rose Jumper. Find the gravitational attraction between a 40 kg galloper and a 42 kg stander 0.9 m apart.

5. Find the centripetal acceleration of a carousel dragon 9 m from the center if it makes a circle in 35 s. Please print the image of the dragon.

6. Find the orbital velocity of a giant carousel mouse making a 5.2 m radius orbit in 51.3 s.

7. What is the centripetal acceleration of a carousel swan 7 m from the center and rotating at 1 m/s? Please go to: http://www.larktoys.com/carousel_animals.cfm and print the image of the swan.

8. A duck located 2 m from the center of the carousel makes a cycle in 35 s. What is the period of a giraffe located 2 m out farther?

9. What centripetal force keeps a 70 kg rooster 8 m from a carousel's center making one circle in 30 s?

10. The motion of a carousel is like what weather phenomenon?

11. If a carousel animal broke free, a person located in what area near the carousel might be in danger? Make a sketch of your answer looking down on the carousel.