A uniform chain or mass m and length hanas on a thread and touches the surface o a taui by its 1ower eid. rng tne force exerted by the table on the chain when h

A uniform chain Or mass m and length hanas on a thread and touches the surface O a taui by its 1ower eid. rng tne force exerted by the table on the chain when half of its lengin-nas iane on the table. The Tallen part does not form heap ude (B) mg (A) mg mg (D) mg (C) If