(4) How do the heavenly bodies exert a force of attraction on each other?
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The consequence of this phenomenon is that every mass exerts a so-called "force of mutual attraction" on every other mass. The attractive force that the celestial bodies exert on other masses by virtue of their total mass is called the force of gravity.
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Answer:
Heavenly bodies attract each other because of gravitational force.
It is a force which is greater the more massive the bodies are and the closer they are to each other.
We can calculate the gravitational force between two bodies by the formula-
f = GMm/r^2
where,
G - Universal gravitational constant
M,m - Mass of the two bodies
r - Distance between the centers of the two bodies.
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