Simba reChakunga (potential energy) zvinoreva simba riri pamutumbi nokuda kwepanzvimbo pauri, kana simba riri pamutumbi nokuda kwekurongeka kwakaita panzvimbo pauri. Somuenzaniso kana nemuseve wakungwa pauta, museve unenge wave nesimba rechakunga; ipapa pakukunga museve pauta ndipo pabva zita rokuti simba rechakunga. Paya panoti museve watepfenyurwa simba rechakunga rinoshanduka kuva simba renhekairo. Kana munhu akakwira mumuti anenge awana simba rechakunga rinoderera chete nekuburuka kana kudonha kubva mumuti iwoyo. Panguva yokunge munhu achiburuka kana kudonha simba rechakunga rinoshanduka kuva simba renhekairo. Kana rhekeni yatakura dombo pachikumbha igochitatamurwa, dombo rinenge rave nesimba rechakunga. Paya pokuti dombo ratupfunurwa , simba rechakunga riri parhekeni rinoshanduka kuva simba renhekairo. Kukunya kana kukuka (Be full of determination).