Write out in words the precise meaning of the following symbols. Be very specific, using appropriate adjectives as needed. Also provide the usual SI units associated with the quantities. If the quantity is dimensionless, write “dimensionless.” For the terms that are products of symbols, give a single word or short phrase describing the grouping (see example).

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Example: A. B. C. D. E. F. Symbol PV Q V (not v or V) m Pv U + PV m V²/2 W shaft Meaning (words only) mass Usual Sl units kg