Hello friends!!Derive the inverse-square rules for gravitation Force . – InterviewSolution

1.	Hello friends!!Derive the inverse-square rules for gravitation Force .That is ,Prove this !! No spam !!
Answer» $\textbf{Newton's Law of Gravitation :}$ In this the force between two BODIES is directly proportional to their MASSES and inversally proportional to the square of distance between them.. $\textbf{Newton's Inverse Square Law :}$ According to it the force between two bodies is inversally proportional to the square of distance between them.. i.e. $F \: \infty \: 1 \: \div \: d {}^{2}$ Or $F \: \infty \: 1 \: \div \: r {}^{2}$ $\textbf{Derivation is in Attachment!!}$ $\textbf{What is Kepler's Third Law...?}$ The square of time period of revolution of PLANET around sun is directly proportional to the cube of LENGTH of semi major axis... i.e. $= > {T}^{2} \infty {R}^{3}$ =================================

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