Gravitation Question 31

Question: Radius of earth is around 6000 km. The weight of body at height of 6000 km from earth surface becomes [RPMT 1997]

Options:

A) Half

B) One-fourth

C) One third

D) No change

Show Answer

Answer:

Correct Answer: B

Solution:

$ [g’=g{{\left( \frac{R}{R+h} \right)}^{2}}] $

Þ when $ [h=R] $

then $ [g’=\frac{g}{4}] $

So the weight of the body at this height will become one-fourth.



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