1it will be (B) R1=R2
It's actually very simple.the only forces in horizontal direction are R1 and R2(gravity acts downwards and so do the perpendicular components of the reactions)
thus for equilibrium in horizontal direction,
R1=R2
A uniform rigid quarter circular ring of radius R and center O is fixed to horizontal roof OX and vertical wall OY.
Let the horizontal component of reaction of roof on ring at A be equal to R1 and the horizontal component of reaction of wall on Ring at B be equal to R2. Then we can say that
(A) R1 > R2 (B) R1 = R2
(C) R1 < R2 (D) None of these
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