question_answer

Three identical stars, each of mass M, form an equilateral triangle (stars are positioned at the comers) that rotates around the centre of-the triangle. The system is isolated and edge length of the triangle is L. The amount of work done, that is required to dismantle the system is:

A) (a)\[\frac{3G{{M}^{2}}}{L}\]

B) \[\frac{3G{{M}^{2}}}{2L}\]

C) \[\frac{3G{{M}^{2}}}{4L}\]

D) \[\frac{G{{M}^{2}}}{2L}\]