cead58a7-3643-4c91-891f-af10b8d7a80620210802043454489wseas:wseasmdt@crossref.orgMDT DepositWSEAS TRANSACTIONS ON ADVANCES in ENGINEERING EDUCATION2224-34101790-197910.37394/232010http://wseas.org/wseas/cms.action?id=4001128202112820211810.37394/232010.2021.18https://wseas.org/wseas/cms.action?id=23287Christopher G.ProvatidisThis paper discusses four different approaches that can be followed to derive the equations of motion for a fixed and symmetrical spinning top. Starting from the usual Euler equations in the body-fixed system, after manipulation it is shown that identical equations are derived for the space-fixe system as well. All the three Cartesian components of the angular momentum vector are calculated for both the body- and the space-systems and they are formulated so that they can be used for further numerical analysis. In addition to the classical set, the Euler equations are also easily derived using a rotating system originated at the pivot but not spinning. 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