Forces

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Across
  1. 4. force pulls all objects towards the centre of Earth
  2. 6. spring force is exerted by a spring when the spring is stretched or compressed
  3. 7. poles attract
Down
  1. 1. magnetic force is the force exerted by magnets
  2. 2. force opposes motion when two surfaces are in contact
  3. 3. opposes motion
  4. 5. poles repel