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15 October, 05:04

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?

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  1. 15 October, 05:33
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    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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