A 2D (two-dimensional) barcode is a graphical image that stores information both horizontally -- as one-dimensional <term>bar code</term>s do -- and vertically. As a result of that construction, 2D...
Centripetal force is the inward-seeking pull of an object. Centrifugal force is the opposite; it appears to pull objects away from the center or axis of rotation.
(sÉnËtrÉªfjÊÉ¡Él; ËsÉntrÉªËfjuËÉ¡Él) adj. 1. (General Physics) acting, moving, or tending to move away from a centre. Compare centripetal. 2. (General Physics) of, concerned with, or operated by centrifugal force: centrifugal pump. 3. (Botany) botany (esp of certain inflorescences) developing outwards from a centre.