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Power and Efficiency loading

The percent of work put into by the user of a machine that becomes work done by the machine.

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Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.
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    Efficiency

    Efficiency

    by CK-12 //at grade
    Machines and friction, the efficiency of a machine and how to calculate it.
    MEMORY METER
    This indicates how strong in your memory this concept is
  • Downloadable Quiz
    Efficiency Quiz - MS PS

    Efficiency Quiz - MS PS

    by CK-12 //at grade
    Reviews why all machines must overcome friction, how friction reduces the efficiency of machines, and how to calculate efficiency.
    MEMORY METER
    This indicates how strong in your memory this concept is
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