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Unit 4: Circular Motion and Universal Gravitation



Day
Tuesday, November 24
1 of U4
(last day of U3)
Focus Question(s):
  • What forces act upon a car passenger on a left-hand turn? What motion does an object experience if the force is not present?

Activities:
  • Collect MOP Codes
  • Introduction to Circular Motion
  • Lab CG1 - Making the Turn
  • Hand in Lab Notebook
  • Unit 3 Test


Homework:   
  • None : )
    (Unless you wish to read ahead.)


Helpful Links:   





Day
Tuesday, December 1
1
Focus Question(s):
  • What is the direction of the velocity, acceleration, and net force for an object moving in a circle?
  • How do you draw the free-body diagram for an object moving in a circle?
  • In what way does the net force depend upon the radius and the period of motion?

Activities:

Homework:   
  • Read/Study Chapter 7.1 (pp. 204 - 212)
  • Minds On Physics: CG1, CG2, and more if you wish


Helpful Links:   









Day
Thursday, December 3
2
Focus Question(s):
  • How can Newton's Laws be used to analyze the motion of objects in circles?
  • Why does it seem that there is an outward force on your body when you move in a circle?
  • In what way does the net force depend upon the radius and the period of motion?

Activities:
  • Inertia and the Right Hand Turn
  • Discuss Action-Reaction and Centripetal/Centrifugal confusion; story-telling
  • Complete Lab CG2: Exploring Force and Circular Motion
  • Free-Body Diagrams and Circular Motion (problem-solving)


Homework:   


Helpful Links:   




Day
Monday, December 7
3
Focus Question(s):
  • How can Newton's Laws be used to analyze the motion of objects in circles?
  • What varriables affect the force of gravity and in what way do they affect it?

Activities:

Homework:   


Helpful Links:   





Day
Wednesday, December 9
4
Focus Question(s):
  • What do we mean when we say that gravity is universal?
  • What is an inverse square law and how did Isaac Newton arrive at his conclusion that the force of gravity followed an inverse square law?
  • How can Newton's law of universal gravitation be used to calculate a force of gravity or a gravitational acceleration?

Activities:
  • The Apple and the Moon Argument
  • G, g, and Gee Whiz
  • Quiz on Circular Motion
  • Winter Sports Assembly


Homework:   


Helpful Links:   






Day
Friday, December 11
5
Focus Question(s):
  • How can Newton's universal gravitation equation be used to explain the motion of satellites?
  • What are Kepler's three laws and what do they mean?
  • How would Newton explain Kepler's second law?
  • What data suggest Kepler's third law?

Activities:

Homework:   


Helpful Links:   






Day
Tuesday, December 15
6
Focus Question(s):
  • How can universal gravitation be used to determine the mass of an orbited body?
  • What does it mean to be weightless?

Activities:
  • Lab CG8: Massing a Planet
  • Discuss weightlessness; do Otis and the Elevators
  • Work Time: MOPs, Internet Problems, Makeup Quizzes


Homework:   


Helpful Links:   








The rest is not yet planned.






Day
Thursday, December 17
7
Focus Question(s):
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Activities:
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Homework:   


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Day
Monday, January 4
8
Focus Question(s):
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Activities:
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Homework:   


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Day
Wednesday, January 6
9
Focus Question(s):
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Activities:
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Homework:   


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