A) 72 N
B) 36 N
C) 18 N
D) zero
Correct Answer: C
Solution :
Key Idea: At a height h from earths surface, the value of acceleration due to gravity is |
![]() |
The acceleration due to gravity at height h from earths surface is |
![]() |
Weight of a body at height h |
![]() |
![]() |
Now at height h equal to radius (R) of earth i.e., ![]() |
![]() |
or ![]() |
but ![]() |
![]() ![]() |
You need to login to perform this action.
You will be redirected in
3 sec