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Displacement If an object moves relative to a reference frame (for example, if a professor moves to the right relative to a white board or a passenger moves toward the rear of an airplane), then the object’s position changes. This change in position is known as displacement . The word “ displacement ” implies that an object has moved, or has been displaced. Physicists use the displacement formula to find an object's change in position. It sounds simple, but calculating displacement can quickly get complicated. Displacement is the shortest straight-line distance from the initial position to the final position of an object, including the direction. It is a vector quantity, can be positive, negative, or zero, and is measured in metres (m). Displacement and Distance with Examples In this article, examples of displacement and distance in physics are presented along with their definitions which is helpful for high school physics. Definition of displacement and distance Displacement is a vector quantity describes a change in position of an object or how far an object is displaced from its initial position and is given by below formula Δ x = x f x i Δx = xf −xi where the starting and ending positions are denoted by x i xi and x ...
