[单选题]
16.13: For the inclined h xojem 8 6+(d+,wrnszs-4wxjplane shown, whi8f*.-z:z. *re2zvb fg tnir qfkm;l2:re2u d ich one of the following choices best represents the value of the incline’s ideal mechanical advantazguq.r.dfizz2f :irb8k e f2*r m;:letn- 2v *ge?