Introduction:
Isaac Newton's theories about gravity and gravitation have profoundly affected the world
we live in. Where the space beyond earth was once only the domain of astronomers, we use it and the
laws governing planetary motion on a daily basis. In this unit we will explore some of the forces
commonly reponsible for circular motion and planetary motion and
a greatly misunderstood concept--centripetal force. |
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For your test you should be able to:
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1) Define the following vocabulary words:
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| Centripetal Force |
Centripetal Acceleration |
Radial |
Tangential |
| Period |
Frequency |
Tangential Velocity |
Net Force |
| G |
Universal Gravitation |
Kepler's Laws |
Cavendish's Experiment |
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2) Use free body diagrams to solve force problems.
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3) Explain the difference between a net and a real force.
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4) Correctly describe the causes/effect relationship among force, acceleration, and velocity.
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5) Solve circular motion force probles.
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6) Differentiate between "g" and "G".
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7) Describe the significance of Kepler's Laws.
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8) Describe the process used by Cavendish to determine G.
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