Physical science

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Across
  1. 3. Property of matter by which it remains at rest or in unchanging motion unless acted on by some external force
  2. 4. The force that two surfaces exert on each other when they rub against each other
  3. 7. Where forces on an object are not equal and there will be a change in motion
  4. 10. force that resists the sliding or rolling of one solid object over another
Down
  1. 1. The resistance that opposes the motion of two surfaces sliding past each other
  2. 2. amount of matter in an object
  3. 5. SI unit of force
  4. 6. the force exerted on a body by gravity
  5. 8. Where forces on an object are equal, no motion change
  6. 9. influence that can cause an object to change its velocity or shape