Newton's Laws of Motion Quiz

What is the unit of force in the International System of Units (SI)?

• Joule

• Newton

• Watt

• Pascal

Which of the following statements is true according to Newton's Laws?

• An object will move faster if the mass is increased.

• An object will stop moving if no force is applied.

• An object will accelerate if a net force is applied.

• An object will move in the opposite direction of the applied force.

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What happens to the acceleration of an object if the net force acting on it is doubled, according to Newton's Second Law?

• The acceleration is halved.

• The acceleration remains the same.

• The acceleration is doubled.

• The acceleration is quadrupled.

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Newton's Third Law of Motion states:

• The acceleration of an object is inversely proportional to its mass.

• An object will remain at rest unless acted upon by a net force.

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

• The force of gravity acts on all objects equally.

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If the mass of an object is tripled while the force remains constant, what happens to the acceleration?

• It is tripled.

• It remains the same.

• It is reduced to one-third.

• It is doubled.

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Which of the following is an example of Newton's First Law?

• A book sliding on a table eventually stops.

• A swimmer pushes water backward to move forward.

• A car accelerates faster when more force is applied.

• A ball thrown in space continues moving indefinitely.

If a car suddenly stops, the passengers lurch forward. Which of Newton's Laws explains this?

• Newton's First Law

• Newton's Second Law

• Newton's Third Law

• Newton's Law of Universal Gravitation

A rocket launches into space by expelling gas downwards. Which law of motion is this an example of?

• Newton's First Law

• Newton's Second Law

• Newton's Third Law

• Newton's Law of Universal Gravitation

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Which of the following is NOT a result of Newton's Third Law?

• A rocket launching into space.

• A swimmer moving forward by pushing water backward.

• A book resting on a table.

• A car's tires pushing against the road to move forward.

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Which of the following best describes Newton's First Law of Motion?

• An object in motion will eventually stop due to friction.

• An object at rest stays at rest, and an object in motion stays in motion unless acted upon by an external force.

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

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