MCQOPTIONS
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MCQOPTIONS
| 1. |
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. | \[\frac{G{{M}^{2}}}{2L}\] |
| Answer» C. \[\frac{3G{{M}^{2}}}{4L}\] | |