Force and Motion

Front

What is Force?

Back

A push or pull on an object.

Front

What is Motion?

Back

The change in position of an object over time.

Front

What is an Unbalanced Force?

Back

When two forces acting on an object are not equal, causing the object to move.

Front

What is a Balanced Force?

Back

When two forces acting on an object are equal and opposite, causing no change in motion.

Front

What happens when forces are balanced?

Back

The object remains at rest or continues to move at a constant speed.

Front

What happens when forces are unbalanced?

Back

The object accelerates in the direction of the greater force.

Front

What is Friction?

Back

A force that opposes motion between two surfaces in contact.

Front

What is Gravity?

Back

A force that pulls objects toward each other, such as the Earth pulling us down.

Front

What is an example of a Push?

Back

Pushing a door open.

Front

What is an example of a Pull?

Back

Pulling a wagon.