Balanced and Unbalanced forces

Front

What is a force?

Back

A push or pull causing motion.

Front

What is a balanced force?

Back

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

Front

What is an unbalanced force?

Back

When one force is greater than the other, causing the object to move or change direction.

Front

What does friction do?

Back

Friction can slow down an object 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 will accelerate, change direction, or come to a stop.

Front

Can you give an example of a balanced force?

Back

A book resting on a table is an example of balanced forces.

Front

Can you give an example of an unbalanced force?

Back

Pushing a swing is an example of an unbalanced force.

Front

What is gravity?

Back

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

Front

What is the effect of friction on motion?

Back

Friction opposes motion and can slow down or stop moving objects.