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Addition of vectors. Parallelogram rule

Lecture






  Addition of vectors.  Parallelogram rule

The following method is called the parallelogram rule of vector addition:
Let there be vectors AB and AC for which the beginning of the vector coincides, and the ends do not coincide.

  Addition of vectors.  Parallelogram rule

We complete this angle to a parallelogram, so AC = BD and AB = CD.

  Addition of vectors.  Parallelogram rule

Then AB + BD = AD, and since BD = AC, then AB + AC = AD

  Addition of vectors.  Parallelogram rule
created: 2014-10-05
updated: 2021-03-13
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Planometry

Terms: Planometry