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Question-217521

Question Number 217521 by Tawa11 last updated on 15/Mar/25 Commented by mahdipoor last updated on 16/Mar/25 $$\Sigma{F}=\mathrm{0}\:\Rightarrow \\ $$$$\begin{cases}{\left[{A}_{{x}} −{Tcos}\mathrm{20}=\mathrm{0}\right]×{g}}\\{\left[{A}_{{y}} −{Tsin}\mathrm{20}−{m}=\mathrm{0}\right]×{g}}\end{cases} \\ $$$$\Sigma{M}_{{A}} =\mathrm{0}\:\: \\…