Friction - Chapter - 12

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Across
  1. 3. A force always opposite to the applied force.
  2. 8. Reduces the friction between moving parts
  3. 9. A device used for measuring the force acting on an object
  4. 12. Shapes which reduces fluid friction
  5. 13. All liquids and gases
  6. 15. friction produces this
  7. 16. The frictional force exerted by fluids
Down
  1. 1. friction which comes into play when an object is moved from rest.
  2. 2. frition caused when one surface slides over the other
  3. 4. friction caused when one body roles over the surface of another
  4. 5. irregularities of two surfaces
  5. 6. friction for sole of the shoe and tires
  6. 7. friction for writing on the board & standing
  7. 10. example of lubricant
  8. 11. The force of friction is more on this surface
  9. 14. to produce friction