Nofoaafi Trolley

Umi 0.9m, Faʻaaoga mo faʻataʻitaʻiga ma tamaiti aʻoga faʻataʻitaʻiga i le matua tulaga lua aʻoga fisiki, e pei o le faʻataʻitaʻia ma tofotofoina le faʻavae 2nd Newton's Maualalo, kinetic malosi teosiaga, momentum theorem ma isi.