Distance between the force and origin

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    Force Origin
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Homework Help Overview

The discussion revolves around the calculation of moments in physics, specifically focusing on the distance vectors used in relation to a force and an origin point. Participants are exploring which vectors (OD, OC, AD, AC) can be appropriately used to represent the distance between the force and the OA axis.

Discussion Character

  • Exploratory, Assumption checking, Conceptual clarification

Approaches and Questions Raised

  • Participants are questioning the validity of using different vectors for calculating moments and whether they yield the same results. There are discussions about the implications of the cross product and the relationship between the vectors and the line of action of the force.

Discussion Status

The discussion is ongoing, with participants expressing confusion about the relationships between the vectors and the force. Some have provided insights regarding the nature of the cross product and the requirement for the vector to originate from a specific point. There is no clear consensus yet, as participants continue to seek clarification on their calculations and the definitions involved.

Contextual Notes

Participants are working within the constraints of a homework assignment, which may limit the information they can share. There are references to specific vectors and their components, but some participants express uncertainty about their calculations and the definitions of the vectors involved.

  • #31
Doc Al said:
That doesn't look right. What are the coordinates of C?The diagram's a bit hard to read, but that looks right.
0.4j +0.3k
 
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  • #32
goldfish9776 said:
0.4j +0.3k
Looks to me like you're missing the i component of that vector.
 

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