The amount by which the pull on the hauling part is multiplied by the tackle is called its mechanical advantage (M.A.) and, if friction is disregarded, this is equal to the number of parts of the fall at the moving block.
Ubuninzi obenziwa ludontso kwindawo yotsalo buphinda-phindwe ngentanbo yesikhephe ebizwa ngoncedo lwayo lomatshini,(M.A) le ilingana nenani lendawo utsalo olujikeleze kuvingo.