The Magnetic Compass used on small craft to navigate is subjected to various forces due to the magnetic effect of the earth as it rotates in a clockwise direction, and also the magnetic forces present on the craft itself.
Isalatha mbombo esinamathelayo, esisetyenziswa kwinqwelo yokuhamba emanzini encinci ekuqhubeni ixhomekeke kwintlobo-ntlobo zezinyanzeli ngenxa yesilobi emhlabeni njengokuba ujikeleza, ngokwewotshi, kwanangezinyanzeli ezilobayo ezikhoyo kwinqanawa yokuhamba emanzini.