science

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Across
  1. 6. This postulate is known as the law of ???
  2. 7. strength or energy as an attribute of physical action or movement
  3. 8. the SI unit of mass
  4. 10. known as the law of action and reaction
  5. 11. The gravitational force
  6. 13. the SI unit of force
  7. 14. the rate at which someone or something is able to move or operate
Down
  1. 1. the acceleration of an object is directly related to the net force and inversely related to its mass
  2. 2. forces that are not equal in size
  3. 3. a coherent, typically large body of matter with no definite shape
  4. 4. a tendency to do nothing or to remain u
  5. 5. the resistance that one surface or object encounters when moving over another
  6. 9. the speed of something in a given direction
  7. 12. a vehicle's capacity to gain speed within a short time