AP Physics C Mechanics

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Questions and Answers

Which reference frame has an acceleration of zero?

  • Moving reference frame
  • Resting reference frame
  • Non-inertial reference frame
  • Inertial reference frame (correct)

What is Newton's First Law also known as?

  • The Law of Friction
  • The Law of Acceleration
  • The Law of Motion
  • The Law of Inertia (correct)

According to Newton's First Law, an object at rest will remain at rest unless acted upon by a...

  • Magnetic force
  • Frictional force
  • Internal force
  • Net external force (correct)

In a non-inertial reference frame, objects at rest will not remain at rest if the frame of reference has...

<p>Acceleration not equal to zero (D)</p> Signup and view all the answers

What does Newton's First Law state about an object in motion?

<p>It will remain at a constant velocity (C)</p> Signup and view all the answers

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

<p>An object at rest will remain at rest and an object in motion will remain at a constant velocity unless acted upon by a net external force. (D)</p> Signup and view all the answers

Which of the following is an example of an inertial reference frame?

<p>A spaceship accelerating (C)</p> Signup and view all the answers

What is another term for Newton's First Law?

<p>The Law of Inertia (B)</p> Signup and view all the answers

In a non-inertial reference frame, objects at rest will...

<p>Come to a stop (C)</p> Signup and view all the answers

What is the key difference between an inertial reference frame and a non-inertial reference frame?

<p>The acceleration of the frame of reference (B)</p> Signup and view all the answers

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