Natureof thesurfacesKineticfrictionOpposesmotionFrictionoffered byfluid due toliquid andgases.FrictionWhen onesurface slidesor moves overanother slidingor kineticfriction.LimitingfrictionWhen onesurface is inrest overanother isknown as staticfriction.RollingfrictionFluidfrictionIndependentof area ofcontactsurfacesStaticfrictionWear andtear ofmachinerypartsWeightof thebodyDue toirregularitiesDue toadhesiveforceProducesheatLiquid andgasescollectivelycalled as afluid.When one surfaceslides overanother then itopposes themotion of the bodythen it is known asfriction.ContactforceNewton(N)Todecreasefriction.SlidingfrictionWhen onesurface rollsover anothersurface isknown asrolling friction.Natureof thesurfacesKineticfrictionOpposesmotionFrictionoffered byfluid due toliquid andgases.FrictionWhen onesurface slidesor moves overanother slidingor kineticfriction.LimitingfrictionWhen onesurface is inrest overanother isknown as staticfriction.RollingfrictionFluidfrictionIndependentof area ofcontactsurfacesStaticfrictionWear andtear ofmachinerypartsWeightof thebodyDue toirregularitiesDue toadhesiveforceProducesheatLiquid andgasescollectivelycalled as afluid.When one surfaceslides overanother then itopposes themotion of the bodythen it is known asfriction.ContactforceNewton(N)Todecreasefriction.SlidingfrictionWhen onesurface rollsover anothersurface isknown asrolling friction.

Friction Revision - Call List

(Print) Use this randomly generated list as your call list when playing the game. There is no need to say the BINGO column name. Place some kind of mark (like an X, a checkmark, a dot, tally mark, etc) on each cell as you announce it, to keep track. You can also cut out each item, place them in a bag and pull words from the bag.


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  1. Nature of the surfaces
  2. Kinetic friction
  3. Opposes motion
  4. Friction offered by fluid due to liquid and gases.
  5. Friction
  6. When one surface slides or moves over another sliding or kinetic friction.
  7. Limiting friction
  8. When one surface is in rest over another is known as static friction.
  9. Rolling friction
  10. Fluid friction
  11. Independent of area of contact surfaces
  12. Static friction
  13. Wear and tear of machinery parts
  14. Weight of the body
  15. Due to irregularities
  16. Due to adhesive force
  17. Produces heat
  18. Liquid and gases collectively called as a fluid.
  19. When one surface slides over another then it opposes the motion of the body then it is known as friction.
  20. Contact force
  21. Newton( N)
  22. To decrease friction.
  23. Sliding friction
  24. When one surface rolls over another surface is known as rolling friction.