Question

State Universal Law of Gravitation. If the distance is made half how will the force change?​

Answer 1

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Newton's law of universal gravitation is usually stated as that every particle attracts every other particle in the universe with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers.

So, Force of gravitation increases by 4 times when distance reduced by half.