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A vector is a mathematical object that has both a magnitude (size) and direction.

You can use them to represent the velocity and acceleration of a moving object, so vectors are very important in physics, engineering and mechanics. Vectors are commonly represented as line segments in two- or three-dimensional space or, more abstractly, as columns of numbers.

Tatch the video playlist below for guidance on how to work with vectors.

Click on the 3-bar menu icon in the top left of the video to navigate to different videos in the playlist.

Playlist order:

  1. Scalar and vector quantities
  2. Representing vectors
  3. Adding and subtracting vectors
  4. Vectors in component (i+j) form
  5. Magnitude and direction from components