◄Back

# Long description

The figure illustrates the triangle rule for vector addition.

The tip of a vector F subscript 1 is connected to the tail of a second vector F subscript 2. A third vector, F subscript 1 plus vector F subscript 2, is the vector sum of vector F subscript 1 and vector F subscript 2. It is represented by a side of a triangle taken in the direction from the tail of vector F subscript 1 to the tip of vector F subscript 2.