Mechanics

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Across
  1. 2. a fresh weight for Sir Issac
  2. 4. change in velocity divided by time taken
  3. 5. a force which always opposes motion
  4. 6. mass per unit volume of an object
  5. 7. velocity equals distance travelled divided by
Down
  1. 1. velocity and Force are
  2. 3. a wound up spring has__energy
  3. 4. shortened unit of electric current
  4. 5. it might make you move