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A body weighs on the surface of the Earth
PHYSICS · Subjective · CBSE · Physics · Gravitation · Gravitation
Problem
A body weighs
980
N
980\,\text{N}
980
N
on the surface of the Earth. Assuming the altitude is small compared with the Earth’s radius, at what height above the surface will its weight decrease to
960
N
960\,\text{N}
960
N
? Take
R
Earth
=
6.4
×
10
6
m
R_{\text{Earth}} = 6.4 \times 10^{6}\,\text{m}
R
Earth
=
6.4
×
1
0
6
m
and
g
=
9.8
m s
−
2
g = 9.8\,\text{m s}^{-2}
g
=
9.8
m s
−
2
.
Related theory
Universal Law of Gravitation
Gravitation
Variation of g
Gravitational Field & Acceleration
Acceleration due to gravity above and below Earth's surface
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