Year 4: Forces/Friction

Friction is a force that acts between two objects that are in contact with one another. It slows or stops movement between the two surfaces that are touching.

Friction is a force that holds back the movement of a sliding object.

Friction is the resistance of motion when one object rubs against another. Anytime two objects rub against each other, they cause friction. Friction works against the motion and acts in the opposite direction.

Frictional force can be defined as a force that opposes motion when the surface of a body comes into contact with that of another body.

Forces are just pushes and pulls in a particular direction.