What is Law of Universal Gravitation in Physics

Law of Universal Gravitation in Physics




Newton proposed the theory that all objects in the universe attract if each other with a force known as gravitation. The gravitational attraction exists between all bodies. Hence, two stones are not only attracted towards the earth, but also towards each other.




Everybody in the universe attracts every other body with a force, which is directly proportional to the product of masses and inversely proportional to the square of the distance between their centers.


Mathematical Expression:


Two objects having mass ml and m2 are placed at a distance r. According to Newton’s Law of Universal Gravitation


F < m1m2 ((Here < represents the sign of proportionality do not write this in your examination)


Also F < l/r2 (Here 2 represents square of r)


Combining both the equations:


F < m1m2/r2


Removing the sign of proportionality and introducing a constant:


F = G (m1m2/r2)


Note: The presence of a diploma, which is quoted abroad, fundamentally facilitates the possibility of finding work in European countries or the United States. But how to be the one who, having received an education, does not plan to work abroad, but is going to return to Russia to live and work here? In fact, highly cites documents on education received in Europe or America. On the one hand, they are treated, as it should be, in relation to legal documents obtained in full compliance with the rules of law. Especially when it comes to diplomas of prestigious institutions which names are on hearing. On the other hand, there is an interesting feature in the psychology of the Russian employer (as, indeed, in the psychology of many residents of our country): he can tolerate harsh language toward Europe or the United States, and at the same time extremely respectful of the quality of goods and services offered by Western countries.

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