A for $12-$k$)$ solid diak is suspended in a mloven gravitain fold

in $9181$ m$/3)$ from the point C by the i talent ires at and B$.$

in such a way that both the wies are lange idental disk at the pois thattachment. If the wite at B sudeny hin to the dian the PiB of the disk, and determine $($b$)$ the angular areals, $($a$)$ dr of the disk and

$(0)$ the tension