Two astronomical objects with mass of 3.1 x 10^20 kg and 7.4 x 10^18 kg are separated by a distance of 6.5 x 10^6 m. what is the gravitational force that one object exerts on the other?

3.62 x 10^15 N

Explanation: We will solve this problem by using Newton's Law of Universal Gravitation.

F =  G m1*m2/ r^2     where

F= Force of attaction between each object

m1 and m2 the masses of the objects

r squared the distance between the objects

G= Gravitational constant

Working in the S.I the answar becomes:

F= 6.67x10^-11 * 3.1x10^20*7.4x10^18/(6.65x10^6)^2

F= 3.62 x 10^15  N

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