Block `A` shown in figure can slide over fixed rigid wire of quarter cicular shape in
Channel: Doubtnut
Date: 2020-08-30

Block `A` shown in figure can slide over fixed rigid wire of quarter cicular shape in vertical plane String connected to `A` and `B` is massless and inextensible. System is released from rest when `theta = 0`. Determine the ratio `k = (M_(A))/(M_(B))` (approximate integer value) for whoch the system will come to rest again when `theta = 30^(@)`.