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Get Answers to all your Questions
Q: 8.2 Choose the correct alternative :
(a) Acceleration due to gravity increases/decreases with increasing altitude.
(b) Acceleration due to gravity increases/decreases with increasing depth (assume the earth to be a sphere of uniform density). (c) Acceleration due to gravity is independent of mass of the earth/mass of the body.
(d) The formula is more/less accurate than the formula
for the difference of potential energy between two points
and
distance away from the centre of the earth.
Answers (1)
(a) Acceleration due to gravity decreases with increasing altitude.
The relation between the two is given by :
(b) Acceleration due to gravity decreases with increasing depth.
The relation is given below:
(c) Acceleration due to gravity is independent of the mass of the body.
Here M is the mass of the earth.
(d) The formula is more accurate than the formula
for the difference of potential energy between two points
and
distance away from the centre of the earth.
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