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March 18. Circular Motion and Gravitation Chapter 7. Agenda for March 18. Learning Target: Be able to solve problems involving Universal Law of gravitation. Vocabulary: Apparent weightlessness Semi-major axis ellipse Agenda Go over homework Section 3 Design Projects Kepler activity
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March 18 Circular Motion and Gravitation Chapter 7
Agenda for March 18 • Learning Target: Be able to solve problems involving Universal Law of gravitation. • Vocabulary: • Apparent weightlessness • Semi-major axis • ellipse Agenda Go over homework Section 3 Design Projects Kepler activity Holt notes through end of Chapter Homework: Section 4: Simple Machines
Quiz March 18-from Homework From the “lab” • Is a planet in perihelion or aphelion when it is closer to the planet? • _____________ are ovals with long axis and short axis • Whose detailed work did Kepler use to make his mathematical model? • A dance between gravity and momentum is called_______________ • The square of the orbital period is directly proportional to the _________________of the semi-major axis. perihelion Ellipses Tycho Brahe An orbit Cube