Chapter 12 vocab By Zach pastula

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Across
  1. 3. law stating that the total momentum of a system does not change if no net force acts on the system
  2. 4. a friction force that opposes the motion of an object through a fluid
  3. 6. the tendency of an object to resist a change in its motion
  4. 7. the amount of matter in an object; a measure of the inertia of an object, which depends on the amount of matter the object contains
  5. 11. that opposes the motion of objects that touch as they move past each other
  6. 12. the constant velocity of a falling object when the force of air resistance equals the force of gravity
  7. 13. the curved path of an object in free fall after it is given an initial forward velocity
  8. 15. a friction force that opposes the motion of an object as it slides over a surface
  9. 16. the attraction between any two objects because of their masses
  10. 17. the product of an object’s mass and its velocity
Down
  1. 1. force acting on an object after all the forces are combined
  2. 2. a frictional force that acts on rolling objects, caused by the change in shape at the point of rolling contact
  3. 5. fluid friction acting on an object moving through the air
  4. 8. a push or a pull that acts on an object
  5. 9. a friction force that acts on objects that are not moving
  6. 10. the SI unit for force
  7. 14. the force of gravity acting on an object