Forces

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Across
  1. 4. A force that resists an object’s motion
  2. 9. The standard unit of force
  3. 10. A force with an equal and opposite force acting on the same object
  4. 11. A force that occurs when a springy object is squashed or stretched
  5. 15. A force exerted by a person, animal or machine
  6. 16. A force exerted on some metals, such as iron and nickel
  7. 17. A force without an equal and opposite force acting on the same object
  8. 18. The force of gravity on an object
Down
  1. 1. A scientific instrument used to measure forces
  2. 2. An attractive force between any two objects that have mass
  3. 3. A push or pull
  4. 5. The standard unit of mass
  5. 6. The overall force on an object
  6. 7. A force that pulls inward when a solid object is stretched
  7. 8. Any force that can only occur when two objects are touching
  8. 12. The amount of matter in an object or substance
  9. 13. A force that resists an object's motion through air
  10. 14. Any force that can occur even when two objects are not touching