How is the magnitude of related to its scalar components
Chapter 1, Problem 1.17(choose chapter or problem)
How is the magnitude of related to its scalar components Ax and Ay? Answer The magnitude of is given by the Pythagorean theorem in the form , since a vector and its components form a right triangle (see Figure 1.26). Do any of the vectors in Figure 1.25 have a zero value for either their x or y components? Answer Yes. The vectors and each have a zero value for their y component. This is because these vectors are parallel to the x axis. What does the fact that , , and add together to give the resultant tell you about the components of these vectors? Answer The fact that means that the sum of the x components of , , and equals the x component of (Ax Bx Cx Rx) and the sum of the y components of , , and equals the y component of (Ay By Cy Ry). Solut
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