Vector Subtraction Homework Help

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Homework Help Overview

The discussion revolves around the concept of vector subtraction, particularly how it relates to vector addition. Participants are exploring the relationships between vectors and their components in the context of a specific problem.

Discussion Character

  • Conceptual clarification, Mathematical reasoning

Approaches and Questions Raised

  • One participant expresses confusion regarding the subtraction of vectors, initially equating it to an addition problem. Another suggests rethinking subtraction as the addition of the opposite vector. There are also attempts to formulate equations relating the vectors involved.

Discussion Status

The discussion is active, with participants offering different perspectives on how to approach vector subtraction. Some guidance has been provided regarding the relationship between vector addition and subtraction, but there is no explicit consensus on the correct formulation yet.

Contextual Notes

Participants are navigating through potential misunderstandings of vector operations, particularly in the context of homework constraints that may limit the information available for discussion.

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Homework Statement


vector subtraction


Homework Equations


N/A


The Attempt at a Solution


I'm really confused when it comes to subtraction, the following problems seems like an addition problem and i thought it was r+s=t, but i got it wrong. Any help would be gladly appreciated.
 

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You can think the subtraction the vector b from a as addition of the opposite of b, (-b) to a: a+b= a+(-b)

ehild
 
i think i got it, is it r=s-t?
 
No, r=t-s. If you use the triangle method for addition you see from the figure that r+s=t. So r=t-s.

ehild
 

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