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Is Distance Scalar or Vector?

Published in Physics 1 min read

Distance is a scalar quantity.

A scalar quantity has only magnitude, while a vector quantity has both magnitude and direction.

Distance refers to the total path length traveled by an object, regardless of its direction.

For example, if you walk 5 meters east and then 5 meters west, the total distance traveled is 10 meters, even though your displacement (which is a vector) is 0 meters.

Examples:

  • You drive 10 kilometers to the grocery store. The distance you traveled is 10 kilometers.
  • You walk around a circular track, completing one lap. The distance you traveled is the circumference of the track, even though your displacement is zero.
  • You take a flight from New York to Los Angeles. The distance you traveled is the length of the flight path.

Key Differences:

  • Distance: The total length of the path traveled.
  • Displacement: The straight-line distance between the starting and ending points, taking direction into account.

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