Ngaphambilini wake wafunda umthetho wesibili kaNewton ovezwa nge-equation:
Lesi sibalo sichaza ubudlelwano phakathi kwamandla aphumayo, aziwa nangokuthi amandla aphelele, kanye nobukhulu kanye nokusheshisa. Amandla aphumayo asebenza entweni enobukhulu abangela ukuba into isheshise.
Kulokhu sizokwethula olunye uhlobo lomthetho wesibili kaNewton, oluchaza ubudlelwano phakathi kwamandla aphumayo kanye noshintsho emgudwini.
Uma kukhona amandla avelayo asebenza entweni ephumulile ekuqaleni, into iyahamba. Ngaphambi kokuhamba, into ayinawo amandla. Ngemva kokuhamba, into iba nomfutho. Kungashiwo ukuthi amandla avelayo asebenza entweni abangela ukuthi umfutho wento ushintshe phakathi nesikhathi esithile. Ngamanye amazwi, izinga lokushintsha komfutho wento lifana namandla avelayo asebenza entweni.
Isibalo 1.1 singenye indlela yomthetho wesibili kaNewton, ochaza ubudlelwano phakathi kwamandla aphumayo kanye nesilinganiso sokushintsha komfutho wento, kokubili lapho isisindo sento sihlala singaguquki kanye nalapho isisindo sento sishintsha.
Isibalo 1.2 siyisibalo somthetho wesibili sikaNewton esichaza ubudlelwano phakathi kwamandla aphumayo kanye ukusheshisa izinto ezinesisindo esingaguquki.
