Gawo 1:Sitima yotsetsereka ndi chipika chotsetsereka zimalumikizana wina ndi mnzake kudzera mu mipira, kotero kugwedezeka kumakhala kochepa, komwe kuli koyenera zida zokhala ndi zofunikira zolondola.
Gawo 2:Chifukwa cha kukhudzana ndi mfundo ndi pamwamba, kukana kwa frictional kumakhala kochepa kwambiri, ndipo mayendedwe abwino amatha kuchitidwa kuti akwaniritse bwino kwambiri zipangizo zowongolera, ndi zina zotero.