Question

# State universal law of gravitation and derive the expression for force between two objects of mass $$m_1$$ and $$m_2$$ separated by a distance 'd'.

Solution

## Universal Law of Gravitation : It states that the force of attraction between twobodies is directly proportional to theproduct of their masses and inversely proportional to the square of thedistance between them. Let the two bodies 'A' and 'B' be of masses 'M' and 'm' respectively,which are separated by a distance Accordingto Universal Law of Gravitation,$$F=\dfrac{GM\ m}{r^2}$$Where, 'G' is called universal gravitation constant.The numerical value of$$G=6.67\times { 10 }^{ -11 }Nm²kg².$$Physics

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