Newton's First Law of Motion

Front

A force is a

Back

A push or pull.

Front

Because of inertia, a moving object will keep ________ unless acted on by an unbalanced force.

Back

moving.

Front

Friction is a force that acts in an ___________ direction of movement.

Back

opposite.

Front

What is the relationship between heavy objects and inertia?

Back

Heavy objects have more inertia.

Front

What is the unit of measurement for force?

Back

newtons.

Front

What is Newton's First Law of Motion?

Back

An object at rest stays at rest, and an object in motion stays in motion unless acted upon by an unbalanced force.

Front

What does inertia refer to?

Back

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

Front

How does mass affect inertia?

Back

The greater the mass of an object, the greater its inertia.

Front

What is an unbalanced force?

Back

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

Front

Give an example of an unbalanced force.

Back

A soccer player kicking a ball.