39. The resultant vector is positioned. Now, to add vectorially, the vectors are solved as

sides of an equivalent right triangle. The drawings below show a vector diagram and is

equivalent right triangle.

Vector diagram.

Right triangle.

The horizontal side of the right triangle is equivalent to the x vector (the vector drawn on

the X axis).

Make a small x by the correct vector in the vector diagram above.

The vertical side of the right triangle is equivalent to the y vector (the vector drawn on the

Y axis).

Make a small y by the correct vector in the vector diagram above.

The broken line on the vector diagram is an imaginary line that represents the y vector

and is placed to indicate the vertical side of a right triangle.

Make a small (y) by the broken line on the vector diagram.

The hypotenuse of the right triangle is equivalent to the r vector (resultant vector).

Write the word, hypotenuse, by the correct side of the triangle above; then make a small r

by the correct vector in the vector diagram.

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