True and False Newton's Laws

The combination of all the forces acting on an object is the...

• net force

• action force

• reaction force

• balance force

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A rocket pushes extremely hot gas (propellant) out of its thrusters, and the propellant pushes back on the rocket, allowing it to take off. Which of Newton's Laws is this an example of?

• Newton's 1st

• Newton's 2nd

• Newton's 3rd

• Newton's 4th

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What is the tendency of an object to resist a change in motion?

• coffee

• motion

• inertia

• gravity

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Forces come in pairs

• Newton's 1st law

• Newton's 2nd law

• Newton's 3rd law

• Law of conservation of momentum

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The amount of friction depends on the weight of the objects pressing together.

• True

• False

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

• remain in motion.

• eventually come to a stop.

• change its momentum.

• remain at rest

If the mass of a marble remains constant, but you apply more force to the marble, how will acceleration be affected?

• acceleration will not be affected.

• acceleration will increase.

• acceleration will decrease.

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Which of Newton's Laws explains why passengers move forward in their seats when a car suddenly stops?

• Newton's 1st Law

• Newton's 2nd Law

• Newton's 3rd Law

• Newton's Law of Universal Gravitation

A book resting on a table remains at rest until a force is applied. Which law does this illustrate?

• Newton's 1st Law

• Newton's 2nd Law

• Newton's 3rd Law

• Newton's Law of Universal Gravitation

If a force of 10 N is applied to a 2 kg object, what is the acceleration according to Newton's 2nd Law?

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