Newtonovi zakoni in podpore

Viri: http://www.nauk.si/materials/6308/out/#state=18 http://www.nauk.si/materials/4256/out/index.html?printSlides=* https://www2.arnes.si/~oskratl1s/fizika/vsebine%208%20razred/3%20Newtonov%20zakon.pdf