Question

What is the gravitational field at the centre of uniform ring of nass mass m and radius r?

Answer 1

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⭐By definition, the field is the force felt by a unit mass at point P. Thus if be the field due to source mass M, then this field exerts a force  on the test mass m.Simplest of the problem is the calculation of gravitational field due to a point mass. For that, we shall consider a point mass M at point A.




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