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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A horizontal plane supports a plank with a block place on it. A light elastic string is attached to the block, which in attached to a fixed point O. Initially, the cord is unstretched and vertical.

A horizontal plane supports a plank with a block place on it. A light elastic string is attached to the block, which in attached to a fixed point O. Initially, the cord is unstretched and vertical.

A horizontal plane supports a plank with a block place on it. A light elastic string is attached to the block the cord is unstretched and vertical. which in attached to a fixed point O. Initially