Iyini amandla okuphakamisa?
Amandla anyukela phezulu asetshenziswa emzimbeni, ocwiliswe ngokwengxenye noma ngokuphelele emanzini, aziwa ngokuthi amandla okudada. La mandla akhuphukela phezulu abizwa nangokuthi i - Upthrust. Lokhu kuhlobene nesimiso sika-Archimedes. Uma into icwiliswe ngokwengxenye noma ngokuphelele kunoma yiluphi uketshezi, amandla akhuphukayo nokukhishwa koketshezi alingana namandla akhuphukayo akhishwa yilolo ketshezi.