For the portal frame shown in the figure, the shear equation is -
1
\(\frac{{{M_{CD}}}}{4}\) + P = 0
2
\(\frac{{{M_{BA}} + {M_{AB}}}}{4}\) + P = 0
3
\(\frac{{{M_{BC}} + {M_{CB}}}}{4}\) + P = 0
4
\(\frac{{{M_{BA}} + {M_{AB}}}}{4} + \) \(\frac{{{M_{CD}}+{M_{DC}}}}{4}\) + P = 0
5
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