Final answer:
A tension state that always has an action component is known as a compulsion. It is a key characteristic of obsessive-compulsive disorder (OCD).
Step-by-step explanation:
A tension state that always has an action component is known as a compulsion. A compulsion refers to a repetitive behavior or mental act that an individual feels driven to perform in response to an obsession or an underlying anxiety. It is a key characteristic of obsessive-compulsive disorder (OCD).