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Question
Physics
Which graph correctly presents the variation of acceleration due to gravity with distance from the centre of the earth?
Q. Which graph correctly presents the variation of acceleration due to gravity with distance from the centre of the earth?
1665
238
Gravitation
Report Error
A
B
C
D
Solution:
g
d
=
g
(
1
−
g
d
)
or
g
d
=
g
R
R
−
d
or
g
d
=
R
g
y
or
g
d
∝
y
So, within the Earth, the acceleration due to gravity varies linearly, with the distance from the centre of the Earth. This explains the linear portion
O
A
of the graphs.