Forces and Newton's Laws

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Across
  1. 2. an object at rest will stay at rest and an object in motion will stay in motion with a constant speed and direction unless acted on by a force
  2. 5. A measure of the amount of matter in an object
  3. 7. Fluid friction acting on an object moving through the air
  4. 9. Force equals mass times acceleration
  5. 10. the force or speed with which something moves
  6. 12. a force that acts on a body moving in a circular path and is directed toward the center around which the body is moving
  7. 15. A push or pull exerted on an object
  8. 17. The tendency of an object to resist a change in motion
  9. 18. friction that occurs when an object rolls over a surface
Down
  1. 1. the force of attraction between all masses in the universe
  2. 2. friction that occurs as an object moves through a fluid
  3. 3. Friction that acts on objects that are not moving
  4. 4. For every action force there is an equal and opposite reaction force
  5. 6. equal forces acting on an object that combine and form a net force of zero
  6. 8. Forces that produce a nonzero net force, which changes an object's motion
  7. 11. Change in velocity divided by the time it takes for the change to occur
  8. 13. The sum of all forces acting on an object
  9. 14. The greatest velocity a falling object can achieve
  10. 16. occurs when two solid surfaces slide over each other