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Motion and Force

Motion and Force. Chapter Twelve: Distance, Time, and Speed Chapter Thirteen: Forces Chapter Fourteen: Force and Motion. Chapter Twelve: Distance, Time, and Speed. 12.1 Distance, Direction, and Position 12.2 Speed 12.3 Graphs of Motion. 12.1 Distance, direction, and position.

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Motion and Force

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  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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