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Forces, Motion, and Machines

Forces, Motion, and Machines. A push or pull that is applied to an object. Force. The force that pulls objects toward the center of the Earth. gravity. Going from one place to another. a bus, train, and airplane are in motion when they move from one place to another. Motion.

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Forces, Motion, and Machines

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  1. Forces, Motion, and Machines

  2. A push or pull that is applied to an object

  3. Force

  4. The force that pulls objects toward the center of the Earth

  5. gravity

  6. Going from one place to another

  7. a bus, train, and airplane are in motion when they move from one place to another Motion

  8. A force that stops motion and happens between two surfaces that touch

  9. It is easier to walk on a dry surface than it is on ice Friction

  10. A lifting or raising force

  11. A kite depends on the wind to act as its lift. LIFT

  12. Resistance by friction from air or water moving over a surface

  13. Boats and planes are narrow. As they move, friction holds them back from moving faster. drag

  14. A reaction force that pushes objects forward

  15. Airplanes, rockets, motor boats use thrust to move thrust

  16. A change in speed, direction, or both

  17. acceleration

  18. The speed and direction of moving objects

  19. velocity

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