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An infinite number of particles each of ...

An infinite number of particles each of mass m are placed on the positive x-axis at 1m, 2m, 4m, 8m, ----- from the origin. The magnitude of the resultant gravitational force on mass .m. kept at the origin is

A

0

B

G

C

`(3G)/4`

D

`(4G)/3`

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The correct Answer is:
D
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