Front

What is the sum of all forces acting on an object and direction?

Back

Net Force

Front

What is an example of an unbalanced force?

Back

A baseball that has been thrown to home plate.

Front

What is the unit for force?

Back

Newtons (N)

Front

What happens when forces are balanced?

Back

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

Front

What happens when forces are unbalanced?

Back

The object accelerates in the direction of the net force.

Front

What is a balanced force?

Back

Forces acting on an object that are equal in size and opposite in direction.

Front

What is an unbalanced force?

Back

Forces acting on an object that are not equal, causing a change in motion.

Front

Give an example of balanced forces in everyday life.

Back

A book resting on a table.

Front

What is inertia?

Back

The tendency of an object to resist changes in its state of motion.

Front

How does mass affect the force needed to move an object?

Back

More mass requires more force to achieve the same acceleration.