Newton's Laws and Momentum

Front

What is Newton's 1st 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 an unbalanced force.

Front

What is Newton's 2nd Law of Motion?

Back

The acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass. (F = ma)

Front

What is Newton's 3rd Law of Motion?

Back

For every action, there is an equal and opposite reaction.

Front

What is a force?

Back

A push or pull on an object.

Front

What is inertia?

Back

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

Front

What is momentum?

Back

The product of an object's mass and its velocity (p = mv).

Front

What is friction?

Back

The force that opposes motion between two surfaces in contact.

Front

What is the difference between action force and reaction force?

Back

Action force is the initial push or pull, while reaction force is the response to that action, equal in magnitude and opposite in direction.

Front

What is an example of Newton's 1st Law in everyday life?

Back

A magician pulling a tablecloth out from under dishes without moving them.

Front

What is an example of Newton's 3rd Law in action?

Back

When you jump off a small boat, the boat moves backward as you move forward.