Vocabulary of Newton's laws

A push or a pull

• mass

• gravity

• inertia

• force

The amount of matter in an object is _____.

• mass

• weight

• gravity

• velocity

The attractive force between any two objects that have mass is _____.

• balanced force

• gravity

• friction

• weight

The amount of gravity pulling on an object is _____.

• mass

• static friction

• inertia

• weight

A change in an object's position relative to a reference point such as a starting or stopping point.

• motion

• gravity

• sliding friction

• acceleration

A force that acts between two surfaces moving against one another in opposite directions.

• inertia

• speed

• friction

• gravity

The combination of all forces acting on an object

• net force

• unbalanced force

• balanced force

• inertia

The type of friction that prevents an object from moving when a force is applied.

• sliding friction

• rolling friction

• static friction

• fluid friction

The type of friction that slows an object down while sliding past another object

• sliding friction

• rolling friction

• fluid friction

• static friction

The type of friction between wheels and the surface on which it moves

• air resistance

• fluid friction

• static friction

• rolling friction