1. Miisaanka (w)
Cufisjiidadka, ama inta badan loo soo gaabiyo miisaan, waa xoogga cufisjiidadka ee ku shaqeeya shay leh cuf. Calaamadda cufisjiidadka waa w, oo u taagan miisaanka.
Qaacidada lagu xisaabinayo cufisjiidadka waxay ka timid qaacidada Sharciga labaad ee Newton :
F = ma
Waxaa loo adeegsaday xisaabinta cufisjiidadka:
w = mg
Xog :
F = xoog (cutub caalami ah = Newton)
w = cuf-isjiidadka (cutub caalami ah = Newton)
m = cufka walaxda (cutubyada caalamiga ah = kg)
ku = dardargelinta (cutub caalami ah = m/s2)
g = dardargelinta cuf-isjiidadka awgeed (cutubyada caalamiga ah = m/s2)
2. Xoogga Caadiga ah
Xoogga caadiga ah waa xoog ku shaqeeya laba shay oo is taabanaya, halkaas oo jihada xoogga caadiga ahi ay ku toosan tahay dusha sare ee aagga taabashada.
Fiiri shay taagan oo saaran dusha sare ee miiska. Culayska ama xoogga cufisjiidadka ayaa sidoo kale ku shaqeeya shayga. Walxuhu si xor ah uma dhacaan sida miro ka soo dhacaya geed sababtoo ah waxaa jira xoog caadi ah oo dheellitira xoogga cufisjiidadka. Cufisjiidadka iyo xoogga caadiga ah waxay leeyihiin isla baaxad laakiin jihooyin iska soo horjeeda si xoogga ka dhasha ee ku socda shayga uu eber u noqdo.
