Understanding Forces and Motion

A force is a push or a pull that causes an object to move, stop, or change direction.

• True

• False

A _____________ is a force on an object that does not change the motion of the object.

• force

• unbalanced force

• motion

• balanced force

A ________ is a force on an object that causes change in the motion of the object.

• force

• unbalanced force

• motion

• balanced force

A _________ is a line or course along which something is moving.

• motion

• object

• direction

• friction

A _________ is anything that is visible or able to be touched.

• object

• friction

• force

• motion

Friction is a force that resists the motion of two surfaces sliding across one another.

• True

• False

Motion is how an object moves from one place to another.

• True

• False

A pull moves something away from you.

• True

• False

Which sentence is correct?

• You can push or pull a shopping cart.

• When you kick a ball, you are using a pull.

• Forces do not make things change direction.

• A push moves something away from you.

If you push a swing it will...

• Cause motion

• Stay still