Answer
Mu nteko nyinshi, kwihanganira gutondekanya amazu hamwe nibigumanye bishobora kuba binini kuruta icyifuzo cyo gutandukana kw'isoko y'amazi. Isahani ya shim (yoroheje, yogeje) ikoreshwa muguhindura uburebure bwakazi $ H_w $. Niba umutwaro wapimwe $ P $ ari muto cyane, shim yongeweho kugirango irusheho guhonyora isoko. Umubano ni $ P_ {shyashya} = k (f + t_ {shim}) $. Ibi birasanzwe muburyo buhanitse bwo guhitamo aho bisabwa 'kumva' cyangwa 'torque'. Shim kandi itanga ubuso bukomeye bwo kwambara, ikabuza amasoko gucukura ibikoresho byamazu byoroshye mugihe cyamagare.