chapter 2 vocab

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