Physics crossword

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Across
  1. 2. It is a branch of physics that studies motion
  2. 4. Measures the amount of matter in an object
  3. 6. When you slow down
  4. 7. It is the rate at which velocity changes
  5. 9. It is measured how fast an object is moving at that particular moment
Down
  1. 1. It is a quantity that shows the direction and speed of a point's motion
  2. 3. It is a scalar
  3. 5. Something fixed
  4. 8. How far something has moved