Gravitation Question 55
Question: A body weight W newton at the surface of the earth. Its weight at a height equal to half the radius of the earth will be [UPSEAT 2002]
Options:
A) $ [\frac{W}{2}] $
B) $ [\frac{2W}{3}] $
C) $ [\frac{4W}{9}] $
D) $ [\frac{8W}{27}] $
Show Answer
Answer:
Correct Answer: C
Solution:
$ [g’=g{{\left( \frac{R}{R+h} \right)}^{2}}=\frac{4}{9}g$
$\therefore W’=\frac{4}{9}W] $
