chapter 12 forces and motion

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Across
  1. 2. fluid friction acting on an object through the air
  2. 5. force that binds protons and neutrons together in the nucleus
  3. 6. The overall force acting on an object
  4. 7. a force that acts between two objects
  5. 8. force that acts over a short range
  6. 10. a force that continuously changes direction of an object to make it move in a circle
  7. 12. the curved path of an object in free fall after it is given initial forward velocity
  8. 13. a friction force that opposes the motion of an object through a fluid
  9. 17. the constant velocity of a falling object when the force of air ressistance equals the force of gravity
  10. 19. The SI unit for force
  11. 20. the product of an objects mass and velocity
  12. 21. an attraction between any two objects because of their masses
  13. 22. an object in motion stays in motion...
Down
  1. 1. a friction force that acts on objects at rest
  2. 3. a force associated with charged particles
  3. 4. A push or pull that acts on an object
  4. 9. gravity acting on an object
  5. 11. N equals mass times acceleration
  6. 14. the tendency of an object to resist change in motion
  7. 15. the force that opposes the motion of an object as it slides over a surface
  8. 16. for every action there is a positive and opposite reaction
  9. 18. a friction force that acts on rolling objects
  10. 20. the amount of matter in an object