Unit 3 Laws of Motion

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Across
  1. 6. (five words) The acceleration of an object is equal to the net force acting on the object divided by the object's mass.
  2. 7. is the amount of matter in an object
  3. 8. attractive force that exists between two objects that have mass
  4. 10. is the gravitational force exerted on an object
  5. 12. (five words)the total momentum of a group of objects stays the same unless outside forces act on the objects
  6. 13. (two words)force that on object applies to another without touching
  7. 15. (two words) a push or pull on one object by another that is touching
  8. 16. the tendency of an object to resist change in its motion
  9. 17. the measure of how hard it is to stop a moving object
Down
  1. 1. (five words) If the net force on an object is zero, the motion of the object does not change.
  2. 2. (two words) two forces acting on an object that combine and form a net force that is not zero
  3. 3. (two words) the forces two objects apply to each other
  4. 4. (five words) When one object exerts a force on a second object, the second object exerts and equal force in the opposite direction of the first object.
  5. 5. (two words) two forces acting on an object that combine and form a net force of zero
  6. 9. a force that resists the motion of two surfaces that are touching
  7. 11. (two words) the combination of all the forces acting on an object
  8. 14. push or pull on an object