Unbalanced force is a principle used to express unequal application of force in a given situation. In contrast to 'balanced force', in which both forces are equal, in the case of unbalanced force opposing forces as applied are by definition unequal producing a ratio relative forces which defines the physical situation.the effect of the combined force of unbalanced forces is equal to the difference between the two or more forces and resolved mathematically in favour of the motive power of the larger force.