Newton's Laws and Motion Quiz

What is Newton's First Law of Motion?

• Objects in motion stay in motion or an object at rest stays at rest unless acted upon by an external force.

• The acceleration of an object is directly proportional to the net force acting on the object.

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

• The force of gravity is the only force acting on falling objects.

If the net force on a moving object is zero, what can we say about the object's motion?

• The object is accelerating.

• The object is slowing down.

• The object has constant velocity.

• The object is changing direction.

Which of the following is the correct formula for Newton's Second Law?

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What is Newton's Third Law?

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

• The bigger mass will always exert a bigger force.

• An object at rest stays at rest.

• Acceleration is due to gravity only.

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What is acceleration?

• The rate at which velocity changes over time.

• The speed of an object in a given direction.

• The distance traveled by an object.

• The force applied to an object.

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An object has a constant force is applied to it, what will happen to the object's acceleration (Hint: a=F/m)?

• The acceleration will decrease.

• The acceleration will increase.

• The acceleration will remain constant.

• The object will not accelerate.

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What is momentum?

• The force applied to an object.

• A quantification of Inertia

• The rate of change of velocity.

• The resistance to change in motion.

How can the momentum of an object be increased?

• By decreasing its mass.

• By increasing its velocity.

• By decreasing its velocity.

• By increasing its mass and decreasing its velocity.

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What happens to the total momentum of an object in the absence of external forces?

• It increases.

• It decreases.

• It remains constant.

• It becomes zero.

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According to Newton's Second Law, if you double the force applied to an object, what happens to the acceleration?

• It halves.

• It remains the same.

• It doubles.

• It quadruples.

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