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what is the law of universal gravitation for. This was then formalized into the Universal Gravitation Equation. Knowing that all objects exert gravitational influences on each other the small perturbations in a planets elliptical motion can be easily explained.
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Unlike the attraction of the Earth which has a huge mass M such a force is quite small and the number G is likewise very very small. Today Newtons law of universal gravitation is a widely accepted theory. Sir Isaac Newton came up with one of the heavyweight laws in physics for you.
In other words a force can cause an object with mass to change its velocity.
The Law of Universal Gravitation states that every point mass attracts every other point mass in the universe by a force pointing in a straight line between the centers-of-mass of both points and this force is proportional to the masses of the objects and inversely proportional to their separation This attractive force always points inward from one point to the other. That is the number we need to know in order to calculate the gravitational attraction between say two spheres of 1 kilogram each. According to the universal law of gravitation the force due to gravity is inversely proportional to the square of the distance between objects According to the universal law of gravitation if you triple the distance between tow objects then the gravitational force between them will decrease by a factor of 9. Universal Law of Gravitation calculator uses Force 2 GMass 1Mass 2Radius2 to calculate the Force Force is any interaction that when unopposed will change the motion of an object.
