[/URL][URL="http://docs.google.com/viewer?a=v&q=cache:ZAedpVf5MgIJ:eskola.hfd.hr/susreti/Temeljni_koncepti_u_mehanici.pdf+definicija+pdf&hl=hr&gl=ba&pid=bl&srcid=ADGEESgaHOb1FI29vJ_I7fEz6jX8WpiADVWoVboa57Q5F5zUFL43ZcP-xrvsSpkcRKlmW0nzPQUxKB_KLA-l0NLAJ1f_-Yxtb2l6f9jg-w1yUz0yaSUbQ5xAKez5miotzbVfHgWdeCOz&sig=AHIEtbS3PI2EvaJDiUoMqNWjucc0Kx38Bg"]Temeljni koncepti u mehanici[/URL]