Unit 3 Vocabulary

Front

Average speed

Back

Total distance an object traveled by the total time it has traveled.

Front

Displacement

Back

How far an object has moved from its original position; the difference between the final and initial positions.

Front

Motion

Back

An object changes its position.

Front

Speed

Back

The distance an object moves per unit of time, such as miles per hour.

Front

Velocity

Back

Speed in a direction.

Front

Acceleration

Back

The rate at which an object's velocity changes over time.

Front

Reference Point

Back

A place or object used for comparison to determine if something is in motion.

Front

Instantaneous Speed

Back

The speed of an object at a specific moment in time.

Front

Distance

Back

The total length of the path traveled by an object, regardless of direction.