Answer
Niba igice kigumishijwe (urugero, ubwoko bwitwara) kizunguruka ugereranije nimpeta igumana, birashobora gutera 'guhinduranya ibintu' cyangwa 'kudashaka'. Ku mpeta izenguruka, niba icyerekezo cyo kuzenguruka gihuye nicyerekezo cya coil ya spiral, guterana bishobora gutera impeta kugabanuka cyangwa kwaguka, birashoboka kuyikura mumashanyarazi. Ibi bizwi nka 'Ingaruka ya Capstan'. Byongeye kandi, guterana bitanga ubushyuhe, bushobora koroshya ibintu byimpeta kandi biganisha ku kwambara imburagihe. Kugira ngo wirinde ibi, igice cyagumishijwe kigomba gufungurwa cyangwa gukanda kugirango hirindwe kuzunguruka, cyangwa impeta ya 'mpinduramatwara' ifite imbaraga nyinshi 'cling' igomba gukoreshwa kugirango yongere itara risabwa kugirango yimure impeta.
