Can you adjust the answers I think the external loads don't take one equation out of consideration (I am always confused with the number of eq. I always use 3 equations, while you always use 2 in the 2D plan the eq is 3? but where can i find if there is an external load should i remove one eq)
Can you adjust the answers I think the external loads don't take one equation out of consideration (I am always confused with the number of eq. I always use 3 equations, while you always use 2 in the 2D plan the eq is 3? but where can i find if there is an external load should i remove one eq)
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Morning,
Can you adjust the answers I think the external loads don't take one equation out of consideration
(I am always confused with the number of eq.
I always use 3 equations, while you always use 2
in the 2D plan the eq is 3? but where can i find if there is an external load should i remove one eq)
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I am ok with parts a) and c)
but regarding the part b)
I think we should mention the number of loops so the equation should be :
SI = ext + int - releases = react. - (3 equ) + (3 equ) ( nb of loops) - releases ( no hinges here )
= (4) - (3) + (3)(1) - 0
= 4h degree
and if I used the simple method, I brake the frame into 2 members
so r= 2+2+3+3=10
n= 2 members
so r> 3n by 4 degree
Does it make sense?
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