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Adding Two or More Vectors

Addition of Vectors

Definition of Addition of Vectors




  • Adding two or more vectors to form a single resultant vector is known as Addition of Vectors.




More about Addition of Vectors



  • If two vectors have the same direction, then the sum of these two vectors is equal to the sum of their magnitudes, in the same direction.


  • If the two vectors are in opposite directions, then the resultant of the vectors is the difference of the magnitude of the two vectors and is in the direction of the greater vector.




Examples of Addition of Vectors



  • To find the sum of the vectors of ?and, they are placed tail to tail to form two adjacent sides of a parallelogram and the diagonal ?gives the sum of the vectors ?and. This is also called as parallelogram rule of vector addition.


  • If the vector is represented in Cartesian coordinate, then the sum of the vectors is found by adding the vector components.

    The sum of the vectors and is



    =




Solved Example on Addition of Vectors

Let and .? Which of the following is the component form of the vector u + v?

Choices:

A.

B.

C.

D.

Correct Answer: A

Solution:

Step 1: The two vectors are and .

Step 2:u + v =

Step 3: =

Step 4: =



Related Terms for Addition of Vectors



  • Direction


  • Magnitude


  • Parallelogram Rule


  • Vectors




Additional Links for Addition of Vectors



  • Click here for samples


  • Back to Mathematics Dictionary





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