2nd Quarter Review

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Across
  1. 2. Newton's 2nd law equation
  2. 8. also know as the change in momentum
  3. 9. focuses only on what you decide/used to analyze collisions
  4. 11. car safety instrument that has helped reduced up to 50% heavy injuries in collisions
  5. 15. when two ratios are the same
  6. 16. initials of a diagram where you can see all of the forces acting on an object
  7. 18. law that states that forces act in pairs
  8. 20. SI unit for force
  9. 21. law that states an inverse relationship between mass and acceleration
  10. 22. law related to inertia
  11. 24. reaction force of a surface when come into contact
  12. 25. vector sum of forces
  13. 26. direction of the weight
  14. 27. resistance force from a fluid
Down
  1. 1. How do you find weight?
  2. 3. momentum is ________ conserved
  3. 4. SI unit for time
  4. 5. SI unit for mass
  5. 6. can also be described as the amount of motion
  6. 7. the direction of normal force is always ________ to the surface
  7. 10. direction of a force acting to the left
  8. 12. force due to pulling the molecules apart
  9. 13. vector quantity that depends on mass and velocity
  10. 14. force acting always against motion when in contact with a surface
  11. 17. best physics teacher
  12. 19. the tendency of an object to resist motion
  13. 21. law that states a direct relation between force and acceleration
  14. 23. force due to gravity pull