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  4. Calculate the gravitational field at P at a distance a on perpendicular bisector if the mass of rod is M and distributed uniformly over length L . <img class=img-fluid question-image alt=Question src=https://cdn.tardigrade.in/q/nta/p-p4hhyljuuoy1oxh5.jpg />

Q. Calculate the gravitational field at at a distance on perpendicular bisector if the mass of rod is and distributed uniformly over length .

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Solution:






Put, then


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