Friction

Front

What is friction?

Back

Friction is the force that opposes the motion of an object when it comes into contact with another surface.

Front

What are the two main types of friction?

Back

The two main types of friction are static friction (when an object is not moving) and kinetic friction (when an object is in motion).

Front

What is static friction?

Back

Static friction is the force that keeps an object at rest and prevents it from starting to move.

Front

What is kinetic friction?

Back

Kinetic friction is the force that opposes the motion of an object that is already moving.

Tags

NGSS.MS-PS3-5

Front

What is fluid friction?

Back

Fluid friction is the resistance encountered by an object moving through a fluid (liquid or gas).

Front

What is rolling friction?

Back

Rolling friction is the force that opposes the motion of a rolling object, such as a wheel or ball.

Front

How does surface texture affect friction?

Back

Rough surfaces generally have more friction than smooth surfaces due to increased contact area and interlocking of surface irregularities.

Front

What is the role of friction in everyday life?

Back

Friction allows us to walk without slipping, enables vehicles to stop, and helps objects stay in place.

Front

What materials typically have high friction?

Back

Materials like sandpaper and rubber have high friction due to their rough surfaces.

Front

What materials typically have low friction?

Back

Materials like ice and polished wood have low friction due to their smooth surfaces.