mechanics

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Across
  1. 5. the metric unit for measuring length
  2. 7. the change in position of an object
  3. 10. the unit of measure for time
  4. 11. the rate at which velocity changes per unit time
  5. 14. an explanation that is based on observation that can be tested
  6. 15. the metric unit of measure for mass
Down
  1. 1. the motion of a body when the only force acting on it is gravity
  2. 2. this area of physics covers motion and its causes
  3. 3. the total displacement per unit time
  4. 4. a set of particles or interacting components considered to be a distinct entity
  5. 6. this area of physics covers electricity and magnetism
  6. 8. velocity in the upward direction is considered to be what
  7. 9. this area of physics covers heat and temperature
  8. 12. displacement in the left direction is considered to be what
  9. 13. this area of physics covers light, lenses and astronomy
  10. 16. this area of physics covers particles moving at any speed