Chifukwa mphamvu ya batri, kukana kwamkati, mphamvu yamagetsi ndi zina za parameter sizigwirizana kwathunthu, kusiyana kumeneku kumapangitsa kuti batire yomwe ili ndi mphamvu yaying'ono kwambiri ikhale yowonjezereka komanso kutulutsidwa panthawi yolipiritsa, ndipo mphamvu ya batire yaying'ono kwambiri imakhala yaying'ono ikawonongeka, imalowa m'malo ovuta. . Kuchita kwa batire limodzi kumakhudza mwachindunji kuchuluka kwa batire ndi kutulutsa kwa batire yonse komanso kuchepa kwa batire.
1A kufananizaTumizani batire imodzi yamphamvu kwambiri ku batire imodzi yokhala ndi mphamvu zochepa, kapena gwiritsani ntchito gulu lonse lamphamvu kuti muwonjezere batire yotsika kwambiri. Panthawi yokhazikitsa, mphamvuyo imagawidwanso kudzera mu ulalo wosungira mphamvu, kuti batire iwonetsedwe. kusasinthika kwambiri, konzani moyo wa batri ndikuchedwetsa kukalamba kwa batri.