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Force and Motion

Force and Motion. Force. A push or a pull. Now I’m in St. Louis. I was in Kansas City. Motion. A change in position. Frame of Reference. All the things around you that help you describe motion. When you watch a runner he is moving, but the trees behind him are not.

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Force and Motion

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  1. Force and Motion

  2. Force A push or a pull

  3. Now I’m in St. Louis I was in Kansas City. Motion A change in position.

  4. Frame of Reference All the things around you that help you describe motion. When you watch a runner he is moving, but the trees behind him are not. When you are the runner everything you pass seems to be moving.

  5. Relative Motion Motion that is described based on a frame of reference. The trees are also moving because of the Earth’s rotation, but they don’t seem to be moving because there is no frame of reference. Relative to the trees the runners are moving.

  6. Position A certain place On top of the bookshelf Right of the bookshelf Left of the bookshelf

  7. Speed How fast something is moving-the measure of an object’s change in position during a unit of time. I can go 100 miles per hour (MPH) if I want to.

  8. Acceleration Any change in speed or direction of an object’s motion. Slower Faster Curve Turn Stop Start

  9. Newton A unit to measure force.

  10. Gravity A force that pulls objects toward each other. It keeps you on earth.

  11. Friction A force that keeps objects that are touching each other from sliding past each other easily.

  12. Weight A measure of the force of gravity on an object. I weigh less on the moon than on Earth. On Jupiter I weigh twice as much as I do on Earth.

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