Two identical ropes A and B of uniform mass per unit length

Last updated: 6/13/2023

Two identical ropes A and B of uniform mass per unit length arc suspended from the ceiling and are made to pass through an almost inertia less metallic tubular structure C as shown in the figure The structure is made by welding two identical bent tubes There is no friction between the ropes and the tubes Initially the structure is held at rest and then released What will happen a It will not move at all b It will move downwards with speed decreasing at the rate 0 5g c It will move downwards with speed increasing at the rate 0 5g d The rope will heat up A C B