Mastering Horizontal Motion with Free-Body Diagrams Quiz
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Questions and Answers

Which force is responsible for the acceleration of an object moving in a circle?

  • Frictional force
  • Net force (correct)
  • Apparent force
  • Gravity

    • What is the direction of the acceleration experienced by an object moving in a circle at a constant speed?

  • inward (correct)
  • Up
  • outward
  • Down

    • What is the equation for the net force producing centripetal acceleration in uniform circular motion?

  • Fnet = mg
  • Fnet = m
  • Fnet = mv^2/r (correct)
  • Fnet = ma

    • What happens to a particle moving at constant speed around a circle if the net force acting on it disappears?

    <p>It moves off in a straight line tangent to the circle</p> Signup and view all the answers

    What force provides the necessary centripetal acceleration for a car turning a corner on a flat road at a constant speed?

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

    Which of the following is true about uniform circular motion?

    <p>The speed is constant</p> Signup and view all the answers

    What is the direction of the acceleration in uniform circular motion?

    <p>Toward the center of the circle</p> Signup and view all the answers

    What is the period of an object in uniform circular motion?

    <p>The time it takes for the object to complete one revolution</p> Signup and view all the answers

    What is the relationship between frequency and period in uniform circular motion?

    <p>Frequency is the inverse of the period</p> Signup and view all the answers

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