What is the moment for this diagram?

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Homework Help Overview

The discussion revolves around calculating the moment for a given diagram, with participants presenting different expressions for the moment and expressing confusion regarding the definitions and parameters involved.

Discussion Character

  • Conceptual clarification, Assumption checking

Approaches and Questions Raised

  • Participants present various expressions for the moment, including ##M = F.S## and ##M = -F^2.S##. There is a focus on the importance of defining the axis of rotation, with questions about the relationship between variables such as X and S.

Discussion Status

The discussion is active, with multiple participants reiterating the need to define the axis of rotation for clarity. Some expressions for the moment are repeated, indicating a lack of consensus on the correct formulation.

Contextual Notes

There is an emphasis on the necessity of specifying the axis when discussing moments, as well as checking the dimensions involved in the calculations. The definition of moment is also questioned, suggesting a potential gap in understanding among participants.

Benjamin_harsh
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Homework Statement
What is the moment for this diagram?
Relevant Equations
##M = F.S## and ##M = -F^2.S##
What is the moment for this diagram?

244188


I am getting two moments; ##M = F.S## and ##M = -F^2.S##

I am getting confused.
 
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1 Check the dimensions

2 moment is wrt an axis -- you don't mention the axis
 
I think answer is ##\sum M = 2.F.X##.
 
Benjamin_harsh said:
I think answer is ##\sum M = 2.F.X##.
As BvU noted, you must define your axis.
Is X the same as S?
 
Benjamin_harsh said:
I think answer is ##\sum M = 2.F.X##.
If you don't define an axis of rotation, your statement is meaningless.

Do you know the defnition of moment ?
 

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