Official Answer
Answer
Gogayya a cikin maɓuɓɓugan ruwan bi-da-biyu na faruwa a wuraren tuntuɓar raƙuman ruwa (crests) da kuma wurin da ke tsakanin bazara da ramuka ko shaft. Wannan yana haifar da madauki na hysteresis a cikin lanƙwan jujjuyawar lodi inda ƙarfin lodi $P_{load} = P_{theoretical} + F_{friction}$ da ƙarfin saukewa $P_{unload} = P_{theoretical} - F_{friction}$. Girman $F_{friction}$ aiki ne na jimlar juzu'i $\mu$ da ƙarfin al'ada a wuraren tuntuɓar. A cikin aikace-aikace masu yawa, wannan juzu'i yana haifar da zafi, wanda zai iya haifar da fadada yanayin zafi na gida da raguwa a rayuwar gajiya. Don ainihin aikace-aikacen, ana shafa mai ko PEEK shafi don rage $\mu$ da daidaita madauki na hysteresis.
