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Motion and Force

Explore concepts of distance, time, and speed in motion physics. Learn about position, direction, and navigation, and how to interpret graphs of motion. Understand how to describe an object's position based on reference points and directions.

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Motion and Force

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Presentation Transcript

  1. Motion and Force • Chapter Twelve: Distance, Time, and Speed • Chapter Thirteen: Forces • Chapter Fourteen: Force and Motion

  2. Chapter Twelve: Distance, Time, and Speed • 12.1 Distance, Direction, and Position • 12.2 Speed • 12.3 Graphs of Motion

  3. 12.1 Distance, direction, and position • Distance is the amount of space between two points. • If you say you live a distance of one mile from school, you could mean anywhere on the circle of points shown.

  4. 12.1 Direction • To find the exact location of your house, you must give both the distance and the directionfrom school. • The direction words left and right, along with up and down, are used in everyday life because they are simple to follow. • You could also give directions to your house using the compass directions north, south, east, and west.

  5. 12.1 Navigation • Compass directions are printed on maps and used by ships and planes for navigation. • Most compasses are labeled in degrees clockwise from north.

  6. 12.1 Position • An object’s positionis its location at one instant in time. • A position is always given compared to a fixed point, or origin.

  7. 12.1 Position • What is this girl’s new position? • A number line can be used to think about position in straight-line motion.

  8. 12.1 Position • How you describe an object’s position depends on whether you are studying its motion in one or two dimensions.

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