There are many ways in which forces can be manipulated. It is often easier to work with a large, complicated system of forces by reducing it to an ever decreasing number of smaller problems. This is called the resolution of forces or force systems.
- To deprive of anything exceptionable; as, to geld a book, or a story; to expurgate.
A gelding horse (normally referred to simply as a gelding) is a castrated male horse. He is thus unable to impregnate a mare, although some who are either gelded late, or who have already bred before being castrated, do mount mares and go through the process. There's simply no resulting foal.