Forces and Motion

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Across
  1. 7. is the constant velocity of a falling object
  2. 8. a push and pull on an object
  3. 9. is associated with charge particles
  4. 11. is a measure of the inertia of an object
  5. 13. a force that opposes the motion of object
  6. 14. the motion of a falling object
  7. 16. is an attractive force that acts between any two masses
  8. 19. is the friction force that acts on objects
  9. 21. is a force acts between any two masses
Down
  1. 1. is a force that opposes the direction
  2. 2. is a center-directed force that continuously changes the direction of an object
  3. 3. is an attraction force that acts only over a short range
  4. 4. an overall forces acting on an object
  5. 5. is a powerful force of attraction
  6. 6. law stating that the total momentum of a system
  7. 10. the friction force that acts on rolling objects
  8. 12. is the force of gravity acting on an object
  9. 15. is the product of an object's mass
  10. 17. fluid friction acting on an object moving through the air
  11. 18. the force that causes a 1-kilogram mass
  12. 20. is the tendency of an object to resist a change