physics crossword

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Across
  1. 4. gravitational unit
  2. 5. awkwardness
  3. 7. = isaac newton discovery
  4. 8. = something forced away
Down
  1. 1. two materials rubbing together
  2. 2. = north and south poles joining
  3. 3. heavy
  4. 5. = rotates/spins the object
  5. 6. = matter made up
  6. 8. = something forced towards you