Moméntum itu apa sih? Jelaskan dalam bahasa sunda ya

Dina fisika, moméntum (dina hijian SI kg·m/s, atawa, nu satara, N·s) mangrupa hasil pakalian massa jeung laju hiji obyék (). Inyana kalan-kalan disebut salaku moméntum liniér pikeun ngabédakeun jeung jejer nu pakait ngeunaan moméntum sudut atawa moméntum puter. Moméntum liniér mangrupa hiji kuantitas véktor lantaran inyana boga arah tujuan sarta gedé. Moméntum sudut mangrupa hiji kuantitas véktor palsu lantaran inyana

it gains an additional sign flip under an improper rotation.  The total momentum of any group of objects remains the same unless outside forces act on the objects (law of conservation of momentum).

Momentum is a conserved quantity, méaning that the total momentum of any closed system (one not affected by external forces) cannot change. This concept is extended in the second law of thermodynamics and special relativity.