Chapters

This text is meant to accompany class discussions. It is not everything there is to know about uniform circular motion. It is meant as a  prep for class. More detailed notes and examples are given in the class notes, presentations, and demonstrations. See the links below.

 Table of Contents Page 1 Introduction, direction, magnitude, period and frequency Page 2 Magnitude of velocity, acceleration, and force Page 3 Deriving the velocity formula Page 4 The formulas Page 5 2 Example problems Page 6 Example that uses ratios to solve Page 7 Vertical Loop Analysis (Think roller coasters) Page 8 Cars and Cornering on flat roads
Objectives
Students will be able to:

• Define the period of motion
• Define the frequency for motion
• Mathematically relate the period and frequency
• Convert from RPM’s (revolutions per second) to Hertz
• Use the definitions of period and frequency to solve word problems
• Discuss the relationship between centrifugal and centripetal forces.
• Identify the directions of the vectors.
• Describe why a person slides to the outside of a curve in a car as observed from inside the car.
• Discuss what supplies the centripetal forces
• Correctly write the units equations from memory
• List the S. I. units associates with each quantity
• Solve word problems utilizing the formulas and concepts in the unit.
• Calculate the g’s felt by a rider in an amusement park when
• He/she is spun in a horizontal circle (e.g. carousel)
• He/she is spun in a vertical circle (e.g. roller coaster loops, playground swings.)
• Describe why an irregular shaped roller coaster loop is better than a circular loop.
• Solve problems based on an automobiles ability to supply a lateral acceleration and “cornering.”
• Solve problems utilizing formulas and ratio.

 Various notes from class
 Single page of vocabulary words that relate all the ways period and frequency can be described.
 EQUATIONS to memorize
 Some solutions to workbook problems
 Uniform circular motion computer activity
 Circular motion review quiz #2
 Circular motion review quiz #2
 Mastery Assignment
Teachers, I created and use these animations in class in PowerPoint slide. They drag them in like a picture. They play like movies. Some I reference and use via a web browser.

by Tony Wayne ...(If you are a teacher, please feel free to use these resources in your teaching.)
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