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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: Test Comments Uniform Circular Motion Simulation Discuss v, a, and Fnet; demosCentripetal Force Requirement Lab CG2: Exploring Force and Circular Motion 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 TurnDiscuss Action-Reaction and Centripetal/Centrifugal confusion; story-tellingComplete Lab CG2: Exploring Force and Circular MotionFree-Body Diagrams and Circular Motion (problem-solving) Homework:    WebAssign: Circular Motion, Ass't 1 Minds On Physics: CG1 - CG4 (skip CG5) 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: Free-Body Diagrams and Circular Motion (problem-solving)Lab CG3: Whirled Peas Lab w/Post-LabWebAssign - try a few ... (as time allows)Physics Interactives: Gravitation Homework:    WebAssign: Circular Motion, Ass't 2 Minds On Physics: CG1 - CG4 (skip CG5)Read Chapter 7.2 of Textbook (pp. 213-226) 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:    WebAssign: Gravitation Minds On Physics: Assignment CG6Study Chapter 7.2 of Textbook (pp. 213-226) 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: Satellite Motion Mathematics Video - Kepler's Three LawsLab CG6 using Physics Interactive: Orbital MotionKepler's Third Law Homework:    WebAssign: Satellite Motion, Ass't 1 Minds On Physics: Assignment CG8 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:    WebAssign: Satellite Motion, Ass't 2 Minds On Physics: Assignment CG9, CG10 Helpful Links:

The rest is not yet planned.

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 Day Monday, January 4 8 Focus Question(s): AAAABBBB Activities: AAAABBBBCCCCDDDD Homework:    WebAssign: AAAA Helpful Links:    AAABBBCCCDDD

 Day Wednesday, January 6 9 Focus Question(s): AAAABBBB Activities: AAAABBBBCCCCDDDD Homework:    WebAssign: AAAA Helpful Links:    AAABBBCCCDDD

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