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.
When a male horse thought to be a gelding exhibits aggressive or sexual behavior, cryptorchidism is suspected. Sometimes, a horse with an unknown medical history is actually a stallion with both testicles retained. An alternate definition of ridgling is a partially castrated horse. This can occur when a ridgling is gelded, but the retained testicle is not removed, resulting in an incomplete castration.