Physics Crossword Puzzle

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Across
  1. 4. the combined effect of all forces acting on the object (2 words,no space)
  2. 7. acceleration when an object is speeding up
  3. 9. push or pull exerted on an object
  4. 11. The law states an object at rest will remain at rest, or an object in motion will remain in motion unless an external force is applied to it and changes its motion.
  5. 13. You flick a pencil, the pencil exerts an equal force back on your finger. What law is this?
  6. 14. newton's 3rd law is also called(2 words, no space)
  7. 15. A ball rolls until friction and air resistance slows it down and it stops is an example of Newton's __ law.
  8. 19. the acceleration of an object in a circular path
  9. 20. If forces are applied in the SAME DIRECTION, you ___ them to get the net force.
Down
  1. 1. When balanced forces are applied the net force is always-.
  2. 2. a change in speed or direction
  3. 3. What law is Force = mass x acceleration?
  4. 5. contact between two surfaces that opposes motion
  5. 6. You need more force to push a heavier object than a lighter one is an example of which law?
  6. 8. acceleration when an object is slowing down (also called deceleration)
  7. 10. These are forces acting on an object that is in the same or opposite directions but the net force is NOT zero(0).
  8. 12. Newton's first law is also called this
  9. 16. If forces are applied in OPPOSITE DIRECTIONS, you ___ them to find the net force.
  10. 17. The law that states every action has an equal and opposite reaction.
  11. 18. The more ___ an object has, the more force you need to accelerate it.