Define unbalanced force
When two or more forces acting on an object produce resultant force, i.e. the object has acceleration; we say that the forces are unbalanced. The forces that produce this unbalanced condition are called unbalanced forces.
When two or more forces acting on an object produce resultant force, i.e. the object has acceleration; we say that the forces are unbalanced. The forces that produce this unbalanced condition are called unbalanced forces.