Question

Three particles of mass m each are placed in straight line at separation L. The work done to increase separation 2l will be
1. - 5Gm^2/ 4L
2. 5Gm^2/ 4L
3. -5Gm^2 / 2L
4. 5Gm^2 / 2L​

Answer 1

Answer:

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Answer 2

Answer:

Hope it helps

Explanation: