Balanced and Unbalanced

A free body diagram that is balanced is a car because the same amount of force that is pulling it to the center of the earth is also pulling it off the ground. A free body diagram that is unbalanced is when it has different pulls. For example if there's an object and the Fg is 6n and the Fn is 4n its going to be unbalanced because the force that is pulling the object to the center of the earth is greater that the force that is pulling the object off the groung