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  • Two particles are placed at some distance. If the mass of each of the two particles is doubled, keeping the distance between them unchanged, the value of gravitational force between them will be (a) 1/ 4 times (b) 4 times(c) 1/2times (d) unchanged

Two particles are placed at some distance. If the mass of each of the two particles is doubled, keeping the distance between them unchanged, the value of gravitational force between them will be

(a) \frac{1}{4}times          (b) 4 times             (c) \frac{1}{2} times                    (d) unchanged

Answers (1)

B

Sol.

By universal law of gravitation, we know that the force between two particles kept at a fixed separation will be proportional to the product of their masses.

F= \frac{Gm_{1}m_{2}}{r^{2}}\\ \Rightarrow F\: \alpha \: m_{1}m_{2}

If masses of both the blocks are doubled, then the net force of gravitation between them will become four times of the original force.

Hence, the correct answer to this question is option B.

Posted by

infoexpert24

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