Physics 10: Mechanics

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Across
  1. 6. the component of the force with the direction of motion of the object
  2. 7. force resisting the movement of two object.
  3. 9. a twist to an object
  4. 10. extent to cost that used for purpose.
  5. 11. mass is a measurement of how much matter is in an object, no matter where you are.
  6. 12. science concerned with the behavior of objects when act to forces.
  7. 14. speed with direction
  8. 15. A man in story hit by an apple and dicovered gravity.
  9. 17. a tool to do work.
  10. 20. a wheel that can help to reduce pulling force.
Down
  1. 1. a unit of length in SI system.
  2. 2. the cause of why "an apply hit Newton".
  3. 3. rate to do work.
  4. 4. an object's velicty changes during a period of time.
  5. 5. we need it to change the motion of an object.
  6. 8. force act to surface of something.
  7. 13. unit of mass in metric system.
  8. 16. force on something because of the gravity.
  9. 18. can be transfered, but can't be created or destroy.
  10. 19. a unit of mass in U.S.