Answer
Idan mitar girgizar tsarin ta yi daidai da mitar dabi'ar zoben riƙewa, zoben na iya fuskantar juzu'i mai girma, wanda zai haifar da asarar ƙarfin mannewa. Mahimmin mitar yanayi $f_n$ don zoben madauwari shine $f_n = _x000c_rac{k}{2 ext{π}} ext{sqrt} _x000c_rac{E I}{m R^3}$. A cikin yanayi mai daɗaɗawa, zoben yana 'rawa' a cikin tsagi, yana haifar da saurin lalacewa ko ma 'tsalle' daga cikin tsagi gaba ɗaya. Wannan ya zama ruwan dare a cikin masu karkatar da kwampreso. Don warware wannan, injiniyoyi suna 'tuna' zoben ta hanyar canza girmansa (kauri) ko taurinsa ( faɗinsa), ko kuma ta amfani da zobe mai juyawa da yawa wanda ke da damping na ciki saboda jujjuyawar tsaka-tsaki.