Types of frictional forces with examples

Saturday, August 8, 2020



Types of frictional forces with examples


Friction is the force that opposes the sliding motion of two touching surfaces.

Friction is caused by microscopic bumps on the surface called microwelds.


Four types of friction

Static friction is friction in which two surfaces are not moving past each other.

For example,

Static friction allows cars to be parked on a hill.

The static friction allows a bell to be tapped without moving.

These kettlebells stay in place due to static friction.

Static friction exmple

Sliding or Kinetic friction is where two surfaces slide past one another.

Examples of sliding friction include sliding on ice.

Using sandpaper to smooth out wood.

Your finger sliding on a mouse pad.

Skiing

Sledding


Rolling friction is friction between a rolling object and the surface it rolls on.

Skateboard wheels rolling on a surface.

Bike wheels rolling along.

Motorcycle wheels gripping the road.


Fluid friction is friction that occurs when objects move across or through a fluid. The fluid can be water or air.

Examples

Fish swimming

Water skiing


Related Links

Balanced and Unbalanced forces


Laws of Motion


Simple Machines Levers






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