Question

When performing one-dimensional graphical vector addition on
two vectors, what is the proper starting position for each of the
two arrows representing the two forces being combined?

Answer 1

The addition vectors we can find the answer for the sum in one dimension

• A vector must be placed in front of the other, where the tip of one coincides with the origin of the next.  The resulting vector goes from the origin of the first to the tip of the last

 

Vectors are magnitudes that have modulus and direction, so the addition must be done with vector algebra.

 

The graphic method to add the vectors the origin of the second vector must be placed at the tip of the first, in the adjoint we can see an example, both for vectors that go in the same direction and vectors that go in the opposite direction. The result is elect that goes from the origin of the first to the tip of the last.

 

In the analytical method, a positive direction must be selected and what is in the opposite direction is negative and the algebraic sum of the two vectors is simply carried out.

In conclusion using the addition vectors we can find the answer for the sum in one dimension

• The vector should be placed in front of the other, where the tip of one coincides with the origin of the next

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