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प्रश्न
How will the force of gravitation between two objects change if the distance between them is:
Made four times
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उत्तर
We know that law of gravitation.
F = G ( m1 X m2)/R2.
If distance between them is made four times then put R = 4R.
F = G( m1 X m2)/16 R2.
F1 = F/16.
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