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A vector is a quantity that has magnitude and direction. Vectors like velocity or force, when added both magnitude and direction are important. A vector’s line is its magnitude and arrowhead tells its direction. When adding vectors, in the same plane, 3 methods are used; the parallelogram law, the triangle rule and trigonometric calculation.

Example 1: Explain the parallelogram of vector addition method.

1.      Draw vector 1 in its direction.

2.      Draw vector 2 from the tail of vector 1 in its direction

3.      Using vector 1 and vector 2 as sides of the parallelogram, complete it.

4.      Draw the diagonal of the parallelogram which will be the addition of vector 1 and vector 2. This diagonal will start from the tail of the 2 vectors.

Example 1: Explain the triangle of the vectors addition method.