Official Answer
Answer
Ƙarfin jujjuyawar zoben riƙewa na karkace shine matsakaicin matsakaicin nauyin ɗorawa axial wanda zai iya jurewa kafin kayan a yi sheke ta jiki ta ɓangaren giciye. Ana lissafta shi a matsayin $P_s = \ pi \cdot D \ cdot t \cdot \ tau_{ult}$, inda $D$ shine diamita na shaft/bore, $t$ shine kaurin zobe, kuma $\tau_{ult}$ shine ƙarfin juzu'i. $\tau_{ult}$ ana ƙiyasta shi azaman $0.6$ zuwa $0.75$ sau na ƙarshe ƙarfin tauye $S_{ut}$ ga yawancin karafa. Ba kamar ƙarfin ɗaurewa ba, wanda ke auna juriya don cirewa, ƙarfin juzu'i yana auna juriya ga jiragen da ke kusa da abin da ke zamewa da juna. A cikin ƙirar zobe, ƙarfin juzu'in zoben yawanci ya zarce ƙarfin amfanin gona na tsagi, yana mai da tsagi ƙayyadaddun ƙira mai mahimmanci.
