Newton

Newton’s first law of motion: An object at rest remains at rest unless acted on by an _________.

• Unbalanced Force.

• Act of Inertia

• Angry Dog

• Unknown Force

When a cannon fires a cannonball we observe Newton's third law. Which is the reaction force?

• The cannon moving forward

• The cannon moving backwards

• The cannonball moving backwards

• The cannonball moving forward

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An object in motion (or at rest) will to stay in motion (or at rest) until an outside force acts upon it.

• Newton's 1st Law

• Newton's 2nd Law

• Newton's 3rd Law

• Newton's 4th Law

An object in motion (or at rest) will to stay in motion (or at rest) until an outside force acts upon it.

• Newton's 1st Law

• Newton's 2nd Law

• Newton's 3rd Law

• Newton's 4th Law

The crash test dummy in the picture is not wearing a seat belt. When the car crashes into the truck the dummy will fly through the windshield. Which one of Newton's Laws would explain why this happens?

• Newton's 1st Law of Motion

• Newton's 2nd Law of Motion

• Newton's 3rd Law of Motion

According to Newton's law, when a person pushes on a wall, the wall will have a equal and opposite reaction. Which Newton's law does this apply to?

• Newton's 1st law

• Newton's 2st law

• Newton's 3st law

• Newton's 4st law

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As the wheels of a train push down on a track, the track pushes back against the wheels. Which of Newton’s laws is used to explain these forces?

• An object at rest tends to stay at rest unless acted upon by an unbalanced force.

• The net force of an object is equal to its mass times its acceleration.

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

• Any two objects exert a gravitational force of attraction on each other.

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An automobile you are riding in suddenly stops, but you continue to go forward.

• Newton's 1st Law of Motion

• Newton's 2st Law of Motion

• Newton's 3st Law of Motion

• Law of gravity

Which example best describes Newton’s 3rd Law?

• Paddling a canoe to make the boat move

• A large truck takes longer to slow down than a car

• Falling forward in a train that is slowing down quickly

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What is another name for Newton’s 3rd law?

• Law of Inertia

• Law of Acceleration

• Law of Action/Reaction

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