Unit 2: Force and Motion

Front

Acceleration

Back

A measure of the change in velocity during a period of time.

Front

Net force

Back

The combination of all the forces acting on an object.

Front

Mass

Back

The amount of matter in an object.

Front

Newton’s Second Law of Motion

Back

The law that states that the acceleration of an object is equal to the net force exerted on the object divided by the object’s mass.

Front

Newton’s First Law of Motion

Back

An object at rest will stay at rest, and an object in motion will stay in motion unless an unbalanced force acts on the object.

Front

Newton’s Third Law of Motion

Back

When an object applies a force on another object, the second object applies a force of the same strength on the first object but in the opposite direction.

Front

System

Back

A collection of objects that interact in some way.