Physics First

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Across
  1. 2. speeding up or slowing down
  2. 3. force equals mass times acceleration
  3. 5. the resistance of change in motion, including changes in speed,direction,or state of rest
  4. 6. the sum of all forces acting upon an object
  5. 7. the unit of force
  6. 8. interaction between two surfaces that opposes motion
Down
  1. 1. when fnet is not equal to zero
  2. 4. the nature of the forces between two interacting objects