Official Answer
Answer
Ƙarfin ƙarar zobe ($P_r$) shine nauyin axial da ake buƙata don yanke sashin giciye na zoben, ana ƙididdige shi azaman $P_r = \ frac{D imes t imes ext{\pi} imes S_s}{K}$, inda $S_s$ shine ƙarfin juzu'in kayan zoben ($ S_s \kimanin 0_577 imes). Yawancin lokaci, $P_r$ ya fi ƙarfin nakasar tsagi ($P_g$). Don zobe ya kasa a cikin shear, tsagi dole ne ya kasance mai zurfi kuma kayan gida dole ne ya kasance da wuyar gaske. A mafi yawan gazawar injiniya, bangon tsagi yana haifar da farko, yana haifar da jujjuyawar zobe (abincin abinci), wanda ke haifar da hawa daga cikin tsagi kafin damuwa mai ƙarfi ya kai ga ƙarshe.
