Newtons Laws of Motion
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Questions and Answers

Which of Newton's laws states that an object will remain at rest or in uniform motion unless acted upon by an external force?

  • First Law (correct)
  • Second Law
  • Third Law
  • Zeroth Law

    • According to Newton's second law, force is directly proportional to...

  • Velocity
  • Displacement
  • Acceleration (correct)
  • Momentum

    • A 10 kg object accelerates at 2 m/s^2. What is the force acting on it?

  • 5 N
  • 10 N
  • 20 N (correct)
  • 200 N

    • Which of the following is the best statement of Newton's third law?

    <p>For every action, there is an equal and opposite reaction.</p> Signup and view all the answers

    When you walk forward, you push backward on the ground. The ground pushes you forward due to...

    <p>Friction</p> Signup and view all the answers

    In the absence of external forces, a moving object will...

    <p>Continue moving at a constant velocity.</p> Signup and view all the answers

    A force of 15 N acts on a 3 kg object. What is the acceleration?

    <p>5 m/s^2</p> Signup and view all the answers

    If you press a book against a wall with a force of 20 N, the wall exerts a force on the book of...

    <p>20 N</p> Signup and view all the answers

    Which of the following does NOT apply a force on an object in motion?

    <p>Inertia</p> Signup and view all the answers

    When a car increases its velocity from 20 m/s to 40 m/s over a period of time, it has...

    <p>Experienced an external force.</p> Signup and view all the answers

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