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.
: the apparent force that is felt by an object moving in a curved path that acts outwardly away from the center of rotation â compare centripetal force. See centrifugal force defined for English-language learners. See centrifugal force defined for kids.