A uniform brass rod of weight W and length 3L is bent into an equilateral triangle and

Question:

A uniform brass rod of weight W and length 3L is bent into an equilateral triangle and then is hung from three wires as shown. A small collar of weight W is placed on side BD of the triangle and is positioned so that the tensions in the wires at A and B are equal. Determine

(a) The tensions in the wires,

(b) The position of the collar.

A uniform brass rod of weight W and length positioned so that