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