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Weight or g at a depth inside a uniform earth

This type of question, asked 3 times: 8 Apr 2023, 10 Apr 2023, 6 Apr 2024. All 3 questions below, oldest first.

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  1. Question 1

    8 Apr 2023

    7
    The weight of a body on the earth is 400 N400\text{ }N. Then weight of the body when taken to a depth half of the radius of the earth will be:

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  2. Question 2

    10 Apr 2023

    2
    Assuming the earth to be a sphere of uniform mass density, the weight of a body at a depth d=R2d =\frac{R}{2} from the surface of earth, if its weight on the surface of earth is 200 N200\text{ }N, will be: (Given RR = Radius of earth)

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  3. Question 3

    6 Apr 2024

    95
    Assuming the earth to be a sphere of uniform mass density, a body weighed 300 N300\text{ }N on the surface of earth. How much it would weigh at R/4 depth under surface of earth?

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