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friction

  1. 1. Frictional force The force acting along two surfaces in contact which opposes the motion of one body over the other is known as FRICTIONAL FORCE
  2. 2. The force of friction exerted by fluids is known as fluid friction FLUID FRICTION
  3. 3. TYPES OF FRICTION Frictional force can be divided into three types . They are: Static friction Sliding friction Rolling friction
  4. 4. Static Friction
  5. 5. Sliding Friction
  6. 6. Rolling Friction
  7. 7. Spring Balance A device used to measure the weight of an object Can also be used for the measurement of forces
  8. 8. Effects of friction •Friction opposes motion
  9. 9. •FRICTION PRODUCES HEAT
  10. 10. Friction causes wear and tear
  11. 11. Advantages of friction
  12. 12. Disadvantages o f friction

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