Velocity and Kinematics Quiz
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Questions and Answers

What is velocity in physics?

  • Distance covered in a unit time
  • Speed only
  • Direction only
  • Speed in combination with direction (correct)

    • What does constant velocity require?

  • Variable speed and variable direction
  • Constant speed and constant direction (correct)
  • Constant direction only
  • Constant speed only

    • How is velocity different from speed?

  • Velocity is constant, speed can change
  • Velocity is a scalar quantity, speed is a vector quantity
  • Velocity is measured in meters, speed is measured in kilometers
  • Velocity is a vector quantity, speed is a scalar quantity (correct)

    • What is the SI unit for measuring velocity?

    <p>Metres per second (m/s or m⋅s−1)</p> Signup and view all the answers

    What does a change in speed, direction, or both indicate for an object?

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

    What is the difference between velocity and speed?

    <p>Velocity includes both magnitude and direction, while speed only includes magnitude.</p> Signup and view all the answers

    What is required for an object to have constant velocity?

    <p>An object must have a constant speed in a constant direction to have constant velocity.</p> Signup and view all the answers

    What is the SI unit for measuring velocity?

    <p>The SI unit for measuring velocity is meters per second (m/s or m⋅s⁻¹).</p> Signup and view all the answers

    What does constant velocity mean for the motion of an object?

    <p>Constant velocity means motion in a straight line at a constant speed.</p> Signup and view all the answers

    What is acceleration in relation to velocity?

    <p>If there is a change in speed, direction, or both, then the object is said to be undergoing an acceleration.</p> Signup and view all the answers

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