The force of attraction between any two particles in the universe is directly proportional to the product of masses of the two particles.
F = G M m / r²
F = Force of attraction
G = Gravitational constant
M, m = Masses of both particles
r = Distance between two particles
F ∝ M * m
F ∝ 1 / r²
Force of attraction is the force that pulls one object close to it due to an attraction force. Some of the examples are electric force, magnetic force, electrostatic force, gravitational force, and electromagnetic force.
Therefore, the force of attraction between any two particles in the universe is directly proportional to the product of masses of the two particles.
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