Simba rezvinyorwa zvakakwirira, tangential stress yakakura uye deformation yepurasitiki yakakura panguva yekucheka, saka simba rekucheka rakakura.Mukuwedzera, kupisa kwekushisa kwezvinhu kwakashata zvakanyanya, zvichiita kuti kutonhora kwekucheka kuwedzere, uye kupisa kwepamusoro kunowanzoiswa munzvimbo yakamanikana uye yakareba pedyo nechekucheka, zvichiita kuti iwedzere kupera kwechigadzirwa chekucheka.