Resolving a vector into components is like the parallelogram or head-to-tail method in reverse. Consider the following example. Given vector R: R, and R, are the x and y (scalar) components of R. Rj Note: The vector notati on for the scalar components is dropped. However, the vector may be expressedin vector components or scal ar components with unit vectors RR, +R, -R,i +RJ In determining the x and y components of vector R, you are looking for vectors along the x and y axes that add up to produce R. Sumply draw a rectangle (a special case of a parallelogram) to determine Ra and R, Note that above both components are positive since both point along the positive x and y axes. 1. Sketch the x and y components of d A, is positive / negative A, is positive/ negative With a little right triangle trigonometry, component values can be determined The basic trironometric relationships are shown
Resolving a vector into components is like the parallelogram or head-to-tail method in reverse. Consider the following example. Given vector R: R, and R, are the x and y (scalar) components of R. Rj Note: The vector notati on for the scalar components is dropped. However, the vector may be expressedin vector components or scal ar components with unit vectors RR, +R, -R,i +RJ In determining the x and y components of vector R, you are looking for vectors along the x and y axes that add up to produce R. Sumply draw a rectangle (a special case of a parallelogram) to determine Ra and R, Note that above both components are positive since both point along the positive x and y axes. 1. Sketch the x and y components of d A, is positive / negative A, is positive/ negative With a little right triangle trigonometry, component values can be determined The basic trironometric relationships are shown
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter2: Vectors
Section: Chapter Questions
Problem 2.3CYU: Check Your understanding Using the three displacement vectors A , B , and F in Figure 2.13, choose a...
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