Two objects of mass 1 kg each are kept 1m apart

The force of gravitation between two bodies of mass 1 kg each separated by a distance of 1 m in vacuum is ____________.

• 6.67 x 10-9 N

• 6.67 x 10-10 N

• 6.67 x 10-11 N

• 6.67 x 10-12 N

The force of gravitation between two bodies of mass 1 kg each separated by a distance of 1 m in vacuum is 6.67 x 10-11 N.

Explanation:

m1 = m2 =1 kg, r = 1 m,

`"F" = "G" ("m"_1 xx "m"_2)/"r"`

`= 6.67 xx 10^-11 xx "m"^2/"r"^2`

`= 6.67 xx 10^-11 xx (1/1)^2`

`= 6.67 xx 10^-11  "N"`

Concept: Newton’s Universal Law of Gravitation

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