Newton's First Law

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 with the same speed and in the same direction unless acted upon by a net external force.

Front

What does inertia refer to?

Back

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

Front

Which objects have inertia?

Back

All objects with mass.

Front

What happens to a hockey puck gliding on ice when no external force acts on it?

Back

It continues to glide at a constant speed in a straight line.

Front

If a rightward force is applied to a dresser, what will happen?

Back

The dresser will accelerate to the right.

Front

What is a net force?

Back

The overall force acting on an object when all the individual forces are combined.

Front

How does mass affect inertia?

Back

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

Front

What is an example of an object at rest?

Back

A book lying on a table.

Front

What is an example of an object in motion?

Back

A car driving down the road.

Front

What is the relationship between force and motion?

Back

A force is required to change the motion of an object.