Forces and Rotation
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Questions and Answers

What is responsible for causing an object to rotate?

  • Velocity
  • Energy
  • Force (correct)
  • Acceleration

    • What is the turning effect of a force called?

  • Moment (correct)
  • Friction
  • Torque
  • Inertia

    • How can the size of a moment be increased?

  • Increasing the perpendicular distance from the pivot
  • Decreasing the force applied
  • Decreasing the perpendicular distance from the pivot
  • Increasing the force applied (correct)

    • What is the formula to calculate the moment of a force?

    <p>$M = F/d$</p> Signup and view all the answers

    What happens to the amount of rotation produced if the size of a moment is increased?

    <p>More rotation is produced</p> Signup and view all the answers

    What happens to an object if the total clockwise moment is not equal to the total anticlockwise moment?

    <p>The object will rotate.</p> Signup and view all the answers

    In the context of the seesaw scenario, what type of moment is created by Sam's position?

    <p>Anticlockwise moment</p> Signup and view all the answers

    What happens when a force acts on a spring to compress or stretch it according to the text?

    <p>Work is done on the spring.</p> Signup and view all the answers

    What type of energy is transferred into elastic potential energy in a spring?

    <p>Potential energy</p> Signup and view all the answers

    When an object is elastically deformed, what happens to its energy according to the text?

    <p>Energy is transferred into EPE.</p> Signup and view all the answers

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