Ukuvana amandla kwamaqela amabini (ukwaziwa ngokuba yitug o' war, tug war, imfazwe yentambo, ukutsalwa kwentambo, okanye imfazwe yokutsalana) ngumdlalo phakathi kwamaqela amabini nangaphezulu, ilelo iqela lisilwela impumelelo yalo kukhuphiswano lwamandla: Iqela ngalinye litsalela kwelayo icala ekupheleni kwentambo leyo itsalwayo, lize nelinye litsalele kwelinye icala lokuphela kwale ntambo, injongo yeqela ngalinye kukuvula umsantsa ngale ntambo ngokuyitsalela kulo ngamandla liyitsala kwelinye iqela ekukhutshiswana nalo nalo elo qela litsala ngamandla ukuze kucace elinamandla kuwo.