Unit 2: Kinematics Acceleration
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Questions and Answers

What is the definition of acceleration?

  • Rate of change of direction of an object with respect to velocity
  • Rate of change of velocity of an object with respect to distance
  • Rate of change of speed of an object with respect to time
  • Rate of change of velocity of an object with respect to time (correct)

    • What happens when the velocity of an object increases or decreases with passage of time?

  • It causes velocity to remain constant
  • It causes deceleration
  • It causes the object to come to rest
  • It causes acceleration (correct)

    • What is the SI unit of acceleration?

  • Metre per second squared
  • Metre per second
  • Metre per second per second (correct)
  • Metre squared per second

    • What is the direction of deceleration with respect to the change in velocity?

    <p>In the opposite direction</p> Signup and view all the answers

    When does a body have uniform acceleration?

    <p>If the velocity of the body changes by an equal amount in every equal time period</p> Signup and view all the answers

    What is the result of an increase in velocity?

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

    What is the formula to calculate acceleration?

    <p>a = Δv / t</p> Signup and view all the answers

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