Static And Dynamic Friction: Difference And Its Examples

Static Vs Dynamic Friction: Difference

Dynamic friction is the resistance that an object experiences when moved over another object while there is relative motion between them.

That is, it is the force required to keep an object moving over another object. Dynamic friction is generally less than static friction.

On the other hand, Static friction refers to the resistance that an object experiences when moved over another object without there being relative movement between them.

In other words, it is the force required to begin moving an object that is at rest on another object. Static friction is generally greater than dynamic friction.

Examples of static friction:

  1. Pushing a heavy chair on a rug to move it around.
  2. Pull a heavy box across a concrete floor.
  3. Open the lid of a jar that is sealed.
  4. Removing a taped object from a surface.
  5. Pulling open a door on a windy day.
  6. Loading a heavy suitcase on a plane
  7. Knock down a glass door to open it.
  8. Slide a desk chair on a rug to change its position.
  9. Throw a heavy stone to move it from place to place.
  10. Pulling a heavy sofa to move it from one place to another in a room.

Examples of dynamic friction:

  1. Braking a car while driving on a highway.
  2. Slide on an ice skating board.
  3. Rolling a tennis ball on a cement court.
  4. Slide a glass on a glass table.
  5. Run on a treadmill.
  6. Riding a bicycle on a dirt road.
  7. Slide an object on a polished wooden surface.
  8. Rolling an object on a mat.
  9. Sliding an object on an ice surface.
  10. Ride inline skates on a skating rink.

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