Chapter 2 vocab

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Across
  1. 1. A principle stating that the total momentum pf a group of objects stays the same unless outside forces act on it
  2. 8. A contact force that resists the sliding motion of two surfaces that are touching
  3. 9. A push or pull on an object
  4. 10. The amount of matter in the object
  5. 12. forces acting on an object that combine and form a net force of zero
  6. 14. A push or a pull on an object without touching it
  7. 15. An attractive force that exists between all objects that have mass
  8. 17. The force that two objects apply to each other
  9. 18. The gravitational force exerted on an object
Down
  1. 2. Law that states that if the net force acting upon an object is zero the motion of the object does not change
  2. 3. The tendency in an object to resist change in its motion
  3. 4. Law that states that the acceleration of an object is equal to the net force exerted on the object divided by the mass of the object
  4. 5. Any motion in which an object is moving around a curved path
  5. 6. Law that states that for every action there is an equal and opposite reaction
  6. 7. In circular motion a force that acts perpendicular to the direction of motion toward the entrance of the curve
  7. 11. The combination of all forces acting upon an object
  8. 13. A push or a pull on another object by touching it
  9. 16. A measure of how hard it is to stop a moving object