What is Gravitational field due to uniform circular ring at a point on its Axis ???

Answers (1)

 Gravitational field due to uniform circular ring at a point on its axis is given by

I= \frac{GMr}{\left ( a^{2}+r^{2} \right )^{\frac{3}{2}}}   

Where 

r\rightarrow The distance of the point P Axis from the ring, from its center 

And a= radius of the ring

 

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