Compléter 263-testVersion en ligne 263-test par Farhad Key 1 more opposite by equal The overall result of two or forces acting on an object is called the resultant force . The resultant of two forces is a single force , which has the same effect as the two forces combined . If two forces pull an object in directions , the size of the resultant can be found subtracting one force form the other . If the forces are , they balance each other .