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Write the Newton's law of gravatation? Write the expression for gravitional force?
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Answer:
Newton's law of universal gravitation states that every particle attracts every other particle in the universe with a force which is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers.
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➡Newton’s law of universal gravitation states that every type of point mass in the universe by pointing at a force pointing in a straight line between the centres-of-mass of both points, and this force is completely proportional to the masses of the objects and inversely proportional to their separation
F=G.m1.m2/r^2
G=F.r^2/m1.m2
where G is the constant of proportionality called universal gas constant
m1&m2 masses of the two particles
r distance between two particles
F gravitational force of attraction
unit
G=Nm^2/kg^2 is the si unit that is newton per metre square per kg square
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