Friction

Front

Wheels on a skateboard most likely experience-
Options: Rolling Friction, Sliding Friction, Fluid Friction, Static Friction

Back

Rolling Friction

Front

Sally experiences-
Options: Rolling Friction, Sliding Friction, Fluid Friction, Static Friction

Back

Sliding Friction

Front

Wheels of a shopping cart experience-
Options: Rolling Friction, Sliding Friction, Fluid Friction, Static Friction

Back

Rolling Friction

Front

Swimming fish experience-
Options: Rolling Friction, Sliding Friction, Fluid Friction, Static Friction

Back

Fluid Friction

Front

Friction is a force that acts in an ___________ direction of movement.

Back

opposite

Front

The rougher the surface, the faster an object will travel over the surface.

Back

False

Front

How does friction affect speed?

Back

More friction decreases speed.

Front

What are 2 factors that determine the amount of friction between 2 objects?

Back

Force and roughness between surfaces

Front

How can friction be reduced?

Back

All of the above are ways of reducing friction: reduce the force acting between the 2 surfaces, reduce the roughness of the 2 surfaces coming in contact, use wax, grease or oil.

Front

Which of the following is an example of friction that is helpful? Options: Brakes used on a bike, Tires from a car on the road, Tread on the bottom of your shoes.

Back

All are examples that are helpful