FRICTION

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Across
  1. 1. a frictional force exerted on fluids
  2. 3. bearing is a spherical or cylindrical object that rolls on the suface the resistance it encounters
  3. 5. a force that slows down moving objects and stops stationary objects from moving
Down
  1. 2. the force that the earth pulls everything towards itself
  2. 4. a push or pull