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Question 30718
JEE Physics · Medium

Gravitation: Gravitational Force — Ratio MCQ

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Gravitational Force — RatioMediumQuestion 30718

Question

Two identical balls are placed 1 m apart. Gravitational force is F. When separation is doubled and one mass is tripled, new force is:
  1. A
    3F/4
    Correct
  2. B
    3F/2
  3. C
    F/4
  4. D
    3F

Correct answer

3F/4

Explanation

F = Gm²/1² = Gm². New: F' = G(3m)(m)/(2)² = 3Gm²/4 = 3F/4.

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