Physics · Gravitation
Net gravitational force at the centre of a square is found to be F1 when four particles having mass M, 2M, 3M, and 4M are placed sequentially at the four corners of the square. It is F2 when the positions of 3M and 4M are interchanged. If the ratio F1/F2 is α/√5, then the value of α is:
- 12√5
- 21
- 33
- 42✓
Correct answer
2
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