Forces, Weight and Friction

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Across
  1. 5. the frictional force that opposes the motion of two surfaces sliding past each other
  2. 6. quantity with a magnitude and direction that determines position
  3. 10. the sum of all the forces acting on an object
  4. 11. the frictional force that prevents two surfaces from sliding
  5. 12. force that opposes the sliding motion between two touching surfaces
  6. 14. force exerted on an object
  7. 16. force between electric charges and magnets
  8. 18. force preventing solid objects from passing through objects
Down
  1. 1. the state of being stretched tight
  2. 2. forces acting on an object have equal strength and opposite direction
  3. 3. attractive force between protons and neutrons in atomic nucleus
  4. 4. a push or a pull on an object
  5. 7. when forward and reverse reactions or processes occur at equal rates
  6. 8. attractive force that depends on mass of the object and the distance between them
  7. 9. any force resulting from two objects making contact with each other
  8. 10. the SI , international unit of measure for force
  9. 13. the frictional force when a wheel, ball or cylinder rolls freely over a surface
  10. 15. allows protons and neutrons to change state through beta decay
  11. 17. remains constant and is measured in kg