Vector Resolution: Engineering Math Exam Question

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Homework Help Overview

The discussion revolves around resolving three force vectors to find the resultant magnitude, stemming from an engineering math exam question. The vectors in question are given in component form.

Discussion Character

  • Exploratory, Assumption checking

Approaches and Questions Raised

  • The original poster attempts to clarify the procedure for finding the resultant magnitude of the vectors by summing their components and applying the Pythagorean theorem. Some participants question whether the task is to find the magnitude of each vector or the resultant vector.

Discussion Status

The discussion is progressing with participants confirming the approach taken by the original poster. There is a recognition that the question was intended to be straightforward, and some guidance has been offered regarding the correctness of the method used.

Contextual Notes

Participants note that the question was relatively easy and worth only a small number of marks, which may contribute to the original poster's uncertainty about the procedure.

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Homework Statement


hey, we just had our engineering math exam and one of the questions wanted us to resolve 3 force vectors (find the magnitude). I don't remember the exact values but it was something like F_1=1i-j+2k F_2=3i+j+3k and F_3=-2i+j+k all i could think to do was add up the i j and k components and then square and add and take the square root of that. just wandering whether that is the right procedure or not?/

Homework Equations


The Attempt at a Solution

 
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Are you asked to find the magnitude of each vector?
 
no the resultant magnitude
 
Then what you did is correct. First, you find the resultant force. Then calculate its magnitude.
 
Last edited:
it was meant to be a relatively easy question (only worth 5 marks) i was just unsure because of how easy it was. thanks again
 

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