6.8B Balanced and Unbalanced Forces Vocabulary

Front

Displacement

Back

The overall change in position of an object from its starting point.

Front

Acceleration

Back

The rate at which velocity changes over time.

Front

Unbalanced Forces

Back

Forces that cause a change in the motion of an object.

Front

Average Speed

Back

Total distance divided by total time.

Front

Time

Back

Measured in seconds (s), minutes (min), and hours (hr).

Front

Balanced Forces

Back

Forces that are equal in size and opposite in direction, resulting in no change in motion.

Front

Force

Back

A push or pull on an object that can cause it to change its motion.

Front

Velocity

Back

The speed of an object in a specific direction.

Front

Friction

Back

A force that opposes the motion of an object.

Front

Gravity

Back

A force that attracts two bodies towards each other, commonly experienced as the force that pulls objects towards the Earth.