force and friction

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Across
  1. 4. - rounded in the front and narrow at the back
  2. 6. - a force with which the earth pulls everything towards itself
Down
  1. 1. force- a force exerted by magnets on metals
  2. 2. force - a force exerted by the muscles of your body.
  3. 3. - a force that opposes motion
  4. 5. friction- the resistance a rolling object encounters