Why am I getting 3 equations and 2 unknowns when summing moments about point A?

AI Thread Summary
The discussion centers on the confusion regarding obtaining three equations with only two unknowns while summing moments about point A in a tension and reaction problem. Participants highlight the importance of understanding the couples acting on the x-axis and z-axis, which may contribute to the complexity of the equations. The original poster expresses frustration about not being able to provide a clear representation of their work due to quiz constraints. There is a suggestion that without seeing the calculations, it's difficult to diagnose the issue. The conversation emphasizes the need for clarity in problem-solving to avoid being stuck on similar problems in the future.
fayan77
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What does it mean where it says it provides couples on x-axis and z axis?
Anyways what am I doing wrong?
my procedure is finding tension in cables by summing moments about point A. then with the tensions, finding reactions at A. However when i sum the moments about A I get 3 equations 2 unknowns and there is no solution to it.

Thanks in advance
 

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fayan77 said:
What does it mean where it says it provides couples on x-axis and z axis?
Did you mean to post an image of the text as well as the picture?
fayan77 said:
Anyways what am I doing wrong?
Cannot tell without seeing your attempt.
Please post it typed into the text area, not as an image.
 
this was for a quiz in class I'm not about to write everything out again.
 
fayan77 said:
this was for a quiz in class I'm not about to write everything out again.
So you'd rather continue being unable to solve this sort of problem?
 
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