Difference Between Distance and Displacement Distance Displacement The total length of the path covered by an object. The shortest straight-line distance between the starting and ending point. Always positive. Can be positive, negative, or zero. It is a scalar quantity . It is a vector quantity . Considers the entire path taken. Considers only the initial and final positions. SI Unit: meter (m) SI Unit: meter (m) Example: If a person walks 5m forward and then 5m back: Distance = 5m + 5m = 10m Displacement = 0m (because starting and ending points are the same)
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