physics

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Across
  1. 2. force attraction or repulsion that arises between electrically charged particles because of their motion.
  2. 4. demand (an amount) as a price from someone for a service rendered or goods supplied.
  3. 5. belonging to the present time; happening or being used or done now.
  4. 6. a machine, especially one powered by electricity or internal combustion, that supplies motive power for a vehicle or for some other device with moving parts.
  5. 7. the refusal to accept or comply with something; the attempt to prevent something by action or argument.
Down
  1. 1. a dynamo or similar machine for converting mechanical energy into electricity
  2. 3. a substance which does not readily allow the passage of heat or sound.
  3. 4. circuit a circuit without interruption, providing a continuous path through which a current can flow.