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Simple Machines Vocabulary

Quiz by Jennifer Pendleton

Grade 7
Science
North Carolina Standard Course of Study

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12 questions
Show answers
  • Q1
    A device that allows you to do work in a way that is easier or more effective.

    pencil

    calculator

    machine

    beast of burden 

    30s
    Edit
    Delete
  • Q2
    A simple device without moving parts that changes the size or direction of a force

    complex machine

    simple machine

    compound machine

    volume control

    30s
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    Delete
  • Q3
    A device that combines two or more simple machines.

    simple machine

    thingamajig

    compound machine

    terminator

    30s
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  • Q4
    The number of times a machine increases a force exerted on it.

    assistance value

    efficiency

    power

    mechanical advantage
    30s
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    Delete
  • Q5
    The rate at which work is done

    acceleration

    mechanical advantage

    power

    efficiency

    30s
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  • Q6
    Equals the amount of work done on an object in a unit of time (rate = time)

    velocity

    power

    mechanical advantage

    upper hand

    30s
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  • Q7
    The force that must be applied to a machine by the user.

    gravitational force

    input force

    net force

    output force

    30s
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  • Q8
    The force the machine exerts on an object.

    unstoppable force

    output force

    effort force

    input force

    30s
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  • Q9
    The work done by a machine as the output force acts through the output distance.

    input work

    homework

    output work

    output force

    30s
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  • Q10
    The percentage of the input work that is converted to output work.
    efficiency

    work

    mechanical advantage

    power

    30s
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    Delete
  • Q11
    The fixed point around which a lever pivots.

    incline plane

    axle

    pulley

    fulcrum
    30s
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    Delete
  • Q12

    The ratio of output force to input force

    efficiency

    work

    power

    mechanical advantage

    30s
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    Delete

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