Gravitation Question 68

Question:A body weight 500 N on the surface of the earth. How much would it weigh half way below the surface of the earth[Pb. PET 2001; BHU 2004]

Options:

A) 125 N

B) 250 N

C) 500 N

D) 1000 N

Show Answer

Answer:

Correct Answer: B

Solution:

Weight on surface of earth, [mg=500N]

and weight below the surface of earth at [d=R2]

[mg=mg(1dR)=mg(112)=mg2=250N]



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