Newton Laws of Motion

According to Newton’s first law of motion, a moving object that is not acted on by an unbalanced force will

• remain in motion.
• eventually come to a stop.
• change its momentum.
• accelerate.

A sled sliding on a flat, icy surface with a constant velocity is best described by

• Newton’s first law of motion for objects at rest.
• Newton’s first law of motion for objects in motion.
• Newton’s second law of motion.
• Newton’s third law of motion.

Acceleration is caused by a force acting on a mass.

• Newton’s first law of motion
• Newton’s second law of motion
• Newton’s third law of motion

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Forces always act in equal and opposite pairs.

• Newton's 1st Law
• Newton's 3rd Law
• Newton's second law

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Which law explains when a magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them.

• Law 1
• Law 3

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Which has more Inertia? (and more force to move) 

• Truck
• Ant

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Newton's 1st law is often called the _______.

• Newton's 2nd law
• action-reaction law
• law of equality
• law of inertia

A person is pushed forward into their seatbelt when a car stops. Which of Newton's laws explains this motion?

• 1st law
•  2nd law
• 2 and 3 law
• 3rd law

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When air rushes out of a balloon and it moves upward. This is an example of which Law of Motion. 

• Newton's First Law 
• Newton's Second Law 
• Newton's Third Law 

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A person steps out of the boat and onto the dock.  As the person moves forward onto the dock, the boat moves backward.  Which statement best describes the backward motion of the boat as the person steps forward?

• For every action there is an equal and opposite reaction.
• Every mass exerts a force on every other mass.
• An object at rest tends to stay at rest.
• Friction opposes the motion of an object.

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