Chapter 12 Vocab

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