Ta yaya abubuwa suke motsawa a cikin nauyi? Bisa ga tambayar da ta gabata, ka rubuta mahallin da ke ɗauke da amsar. Zai iya zama jumla 1 - 20. Abubuwan da ke ciki:
Tun daga lokacin, har zuwa yanzu, an amince da ka'idar dangana ta musamman a matsayin ka'idar da ta fi bayyana ƙarfin maganaɗisu. A cikin GR, ba a kallon nauyi a matsayin karfi, amma a maimakon haka, abubuwan da ke motsawa cikin 'yanci a cikin filayen nauyi suna tafiya a ƙarƙashin nasu inertia a cikin layi madaidaiciya ta hanyar sararin samaniya mai lankwasawa <unk> wanda aka ayyana a matsayin mafi guntu hanyar sararin samaniya tsakanin abubuwa biyu na sararin samaniya. Daga hangen nesa na abu, duk motsi yana faruwa kamar dai babu wani nauyi. Sai kawai lokacin da ake lura da motsi a cikin ma'anar duniya cewa za'a iya lura da karkatarwar sararin samaniya kuma ana iya ƙaddamar da karfi daga hanyar da aka lanƙwasa ta abu. Saboda haka, hanyar madaidaiciya a cikin sararin samaniya ana ganinta azaman layin da aka lanƙwasa a sararin samaniya, kuma ana kiranta da hanyar ballistic na abu. Alal misali, ƙwallon kwando da aka jefa daga ƙasa tana motsawa a cikin wani parabola, kamar yadda yake a cikin filin nauyi. Hanyar sararin samaniya-lokaci (lokacin da aka ƙara ƙarin ct girma) kusan layi ne madaidaiciya, ɗan kaɗan (tare da radius na lanƙwasa na tsari na 'yan shekaru haske). Abubuwan da aka samo daga canjin lokacin motsi na abu shine abin da muke lakabi da "karfin nauyi".