Free body

Free body

Free body is the generic term used by physicists and engineers to describe some thing—be it a bowling ball, a spacecraft, pendulum, a television, or anything else—which can be considered as moving as a single unit. The object doesn't have to be "free" in the usual sense of the word—it could be completely prevented from going anywhere, or it could be trapped in an orbit. The crucial element is that the physicist can think of it as a single unit to the extent that it either does or does not move, as the case may be.Often the term is associated with a free body diagram.

ee also

*Free body diagram


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