Gravitation Question 42

Question: An object weights 72 N on earth. Its weight at a height of R/2 from earth is [AIIMS 2000]

Options:

A) 32 N

B) 56 N

C) 72 N

D) Zero

Show Answer

Answer:

Correct Answer: A

Solution:

[g=g(RR+h)2=g(RR+R2)2=49g]

[W=49×W=49×72=32N]



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