What is the origin of the idiom "free ride" and when to use it?

The idiom "free ride" likely originates from the literal concept of getting a ride or transportation without having to pay for it. It is used to describe a situation where someone benefits or takes advantage of something without making an equal or fair contribution. This phrase is often used to express criticism or disapproval when someone is perceived as benefiting from a situation without putting in the effort, cost, or responsibility that others do.