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.../files/Classical_Mechanics_a_Critical_Introduction_0_0.pdf|title=Classical Mechanics: a Critical Introduction|last=Cohen|first=Michael|website=[[University of P ...|access-date=2023-08-09 |url=https://ocw.mit.edu/courses/8-01sc-classical-mechanics-fall-2016/pages/week-2-newtons-laws/}} ...