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Unformatted text preview: Therefore Wi >Wg > Wa > Wp It is possible to arrive at a different answer if you put a negative sign in front of the work done by the motor. This is a very minor error. Technically, I asked for the work input, so the sign was specified by the word "input", so you shouldn't put a negative in front of it....
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 Fall '05
 MarkDrela
 Addition, Force, Work, Negative and nonnegative numbers, wA

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