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Objectives

Objectives. Gravity and Motion. Activate your prior knowledge. What do you already know about gravity? . Read for a purpose. What do you want to know from reading? . Galileo Galilei (1564-1642). Europe. Pisa, Italy. The Leaning Tower of Pisa. Galileo’s Experiment.

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Objectives

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  1. Objectives

  2. Gravity and Motion

  3. Activate your prior knowledge • What do you already know about gravity?

  4. Read for a purpose • What do you want to know from reading?

  5. Galileo Galilei (1564-1642)

  6. Europe

  7. Pisa, Italy

  8. The Leaning Tower of Pisa

  9. Galileo’s Experiment

  10. Acceleration due to gravity • In a vacuum, all objects fall to earth at the same rate. • If the only force is gravity, an object is in “Free Fall”

  11. Acceleration due to Gravity • a= 9.8 m/s/s

  12. Air resistance

  13. Terminal Velocity

  14. Projectile Motion

  15. Orbit

  16. Astronaut in orbit

  17. Orbit • Centripetal accleration • Acceleration at constant speed • Constantly changing direction

  18. Moon’s Orbit • ~ 1 month

  19. Earth’s Orbit • “Revolution” • 365 ¼ days

  20. Order of Business for Friday • Finish p. 11 in packet, be sure to read pp. 150-155 if you haven’t done so already • Practice Questions pp. 12-13 • Brain Dump- six bullets on a half sheet of paper on Gravity and Projectile Motion

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