Front

What is friction?

Back

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

Front

What direction does friction act in relation to movement?

Back

Friction acts in the opposite direction of movement.

Front

What type of friction do skateboard wheels experience?

Back

Rolling Friction.

Front

Do rough surfaces have greater or less friction compared to smooth surfaces?

Back

Rough surfaces have greater friction.

Front

True or False: Smooth objects have less friction than rough objects.

Back

TRUE.

Front

What are two factors that determine the amount of friction between two objects?

Back

Force and roughness between surfaces.

Front

What is static friction?

Back

Static friction is the friction that prevents two surfaces from sliding past each other.

Front

What is sliding friction?

Back

Sliding friction is the force that opposes the motion of an object sliding over a surface.

Front

What is rolling friction?

Back

Rolling friction is the force that opposes the motion of a rolling object.

Front

What is fluid friction?

Back

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