Serbian Полуга Cited by user Dcirovic on 25 Dec 2022 [[Датотека:LeverPrincleple.svg|мини|десно|300п|Полуга првог реда. При равнотежи,.
English Applied mechanics Cited by user Heff007 on 06 Nov 2021 Applied mechanics is the branch of science concerned with the motion of any substance that can be experienced or perceived by humans without the help of instruments.