Front

What is force?

Back

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

Front

What is motion?

Back

The change in position of an object over time.

Front

What is mass?

Back

The amount of matter in an object.

Front

What is gravity?

Back

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

Front

What is inertia?

Back

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

Front

What are balanced forces?

Back

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

Front

What are unbalanced forces?

Back

Forces that cause a change in the motion of an object because they are not equal.

Front

What is friction?

Back

A force that opposes the motion of an object when it is in contact with another surface.

Front

How does force affect direction?

Back

A force can change the direction of an object's motion.

Front

What happens when you throw an object?

Back

The object is acted upon by forces such as gravity and air resistance.