Review on physics

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Across
  1. 3. The resistance that one surface or object encounters when moving over another.
  2. 7. When the speed of an object stays the same.
  3. 10. the total distance traveled by the object in a particular time interval.
  4. 12. A tendency to do nothing or to remain unchanged.
  5. 14. defined when a body travels a given distance within the given interval of time.
  6. 15. the rate of change of its position with respect to a frames of reference and is a function of time
  7. 16. The action or process of moving or being moved.
Down
  1. 1. When a vehicle gains speed fast it is.
  2. 2. When the forces acting on an object have equal strength and act in opposite directions.
  3. 4. A push or pull.
  4. 5. Combination of all forces acting on an object.
  5. 6. speed given in a direction.
  6. 8. Forces applied to an object in opposite directions that are not equal in size.
  7. 9. A measure of the amount of matter in an object.
  8. 11. The force that attracts a body toward the center of the earth.
  9. 13. It is named after Isaac Newton in recognition of his work on classical mechanics, specifically Newton's second law of motion.