Inverse Square Law of Gravity

Above video is a common answer for all following questions: Q. Derive Inverse Square Law of Gravity. Q. Show that F∝1/r2 Q. How did Kepler's three laws helped Newton to arrive at inverse square law of gravity. Subscribe for upcoming useful videos. Students understand my teaching because, I teach complicated things in a very simple way. You can write this answer as it is, in your school exam.