Mastering Mechanical Advantage
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Questions and Answers

Which one of these is an example of a simple machine?

  • A jar lid
  • A rope and pulley system
  • A screw (correct)
  • A wheel

    • What is the purpose of mechanical advantage in simple machines?

  • To reduce the effort required to perform a task (correct)
  • To amplify the input force
  • To decrease the output work
  • To increase the distance over which force is applied

    • What is the formula for calculating mechanical advantage in a simple machine like a lever?

  • Mechanical Advantage = Load - Effort
  • Mechanical Advantage = Load * Effort
  • Mechanical Advantage = Load + Effort
  • Mechanical Advantage = Load / Effort (correct)

    • What can a rope and pulley system help with?

    <p>Lifting heavy weights</p> Signup and view all the answers

    When is the output force more than the input force in terms of mechanical advantage?

    <p>When the mechanical advantage is greater than 1</p> Signup and view all the answers

    Which of the following is the definition of mechanical advantage?

    <p>The ratio of output to the input force</p> Signup and view all the answers

    Which of the following is an example of a simple machine?

    <p>A ramp</p> Signup and view all the answers

    Which of the following is the correct definition of a wedge?

    <p>A pointed edge that can help to push things apart</p> Signup and view all the answers

    What type of simple machine is a see-saw an example of?

    <p>A lever</p> Signup and view all the answers

    What is the purpose of a wheel and axle?

    <p>To provide motion</p> Signup and view all the answers

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