Understanding Machines and Mechanical Advantage Quiz
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Questions and Answers

What is the main purpose of machines?

  • To make our work more difficult
  • To provide energy by themselves
  • To increase physical force
  • To replace physical labour (correct)

    • Which of the following is NOT considered a simple machine?

  • Ramp
  • Bicycle (correct)
  • Shovel
  • Screwdriver

    • What type of machines do not have parts that move?

  • Manually handled machines
  • Machines providing energy
  • Complex machines (correct)
  • Simple machines

    • When different simple machines work together, they are called:

    <p>Complex machines</p> Signup and view all the answers

    Which of the following do some machines not do?

    <p>Provide energy by themselves</p> Signup and view all the answers

    What is the general term used for the external force applied to a machine?

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

    In the context of simple machines, what is the force against which a machine works called?

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

    What is a fixed point about which a machine turns while doing mechanical work?

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

    What is the term for the ratio of the velocity of effort to the velocity of load?

    <p>Velocity Ratio</p> Signup and view all the answers

    What is the ratio of the force that performs the useful work of a machine to the force that is applied?

    <p>Mechanical Advantage</p> Signup and view all the answers

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