# Physics 1AMechanics

When working with Vectors, Pythagorean’s Theorem can be used to ________

(pick the best answer choice below)
1Calculate the magnitude of a vector from its x- and y- components
2Multiply two vectors together to find their dot product.
3Decompose a vector (given as a magnitude and a direction) into its x- and y- components
4Properly rotate a vector by 90 degrees
5Calculate the angle of a vector from its x- and y- components

Which of the following is NOT a necessary step in the process of adding two vectors analytically (by components)?
1Decompose each vector into its individual x- and y- components
2Calculate the magnitude of the resultant vector from its components
3Calculate the dot product of the two vectors.
4Add together the values of the x-components of the two vectors

5Add together the values of the y-components of the two vectors
Question 2
(1 points)

Choose the term that best completes the following sentence:
“The process of breaking a vector down into two orthogonal (mutually perpendicular) components is most commonly called ____________.”
vector decomposition
vector propagation
vector resolution
vector separation

vector factorization

Question 1
(1 points)