physics

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Across
  1. 2. Unit of electric current
  2. 4. Device used to measure electric current
  3. 6. Rate of change of velocity
  4. 8. SI unit of energy
Down
  1. 1. Resistance to motion
  2. 3. Force that attracts objects toward Earth
  3. 5. SI unit of force
  4. 7. SI unit of frequency