newtons laws/motion

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Across
  1. 3. a unit of weight in the US
  2. 4. the law of acceleration, acceleration happens when a force acts on an object
  3. 6. an object at rest will stay at rest unless acted upon by an unbalanced force, an object in motion will stay in motion unless acted upon by an unbalanced force
  4. 9. when the speed of an object remains the same
  5. 10. the sum of forces acting on a particular object
  6. 12. push or pull on an object
  7. 14. two forces are the same strength but in opposite directions
  8. 17. a state in which opposing force or influences are balanced
  9. 18. when the force applied to an object is stronger in one direction
  10. 19. free fall, falling down due to gravity
  11. 23. a place where something is located
  12. 25. the resistance of one surface against another
  13. 27. the state of being stretched tight
  14. 28. a part that is added to something
  15. 29. momentum is neither created nor destroyed, but changed due to force
  16. 30. a surface that has one higher end than the other
Down
  1. 1. the speed of an object at a particular moment in time
  2. 2. the act of compressing
  3. 5. opposing the movement between two surfaces against each other
  4. 7. the rate at which something is moving
  5. 8. the average rate at which something is moving
  6. 11. downward movement under the force of gravity
  7. 13. for every action, there is an equal and opposite reaction
  8. 15. the speed of something in a specific direction
  9. 16. the force of friction on an object that isn't moving
  10. 20. a quantity having direction as well as magnitude
  11. 21. an increase in the rate of speed
  12. 22. the quantity of motion of a moving object, measured as a product of its mass and velocity
  13. 24. the SI unit of force
  14. 26. the resistance to motion/force