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Mumbai University > FE > Sem 1 > Engineering Mechanics

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Applying Lami's Theorem

$(1500/ \sin 105) = (RA/\sin 120) = (RB/\sin 145)$

Solving all equations we get

$RA = 1344.86 N \\ RB = 890.715 N$

Why they had taken angle as 120,105 ,145

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