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For a height above Earth’s surface where
PHYSICS · Single correct · CBSE · Physics · Gravitation · Gravitation
Problem
For a height
h
h
h
above Earth’s surface where
h
≪
R
h \ll R
h
≪
R
, which of the following is the correct approximate expression for the weight of a body of mass
m
m
m
? (a)
m
g
(
1
+
2
h
R
)
mg\bigl(1 + 2\dfrac{h}{R}\bigr)
m
g
(
1
+
2
R
h
)
(b)
m
g
(
1
−
h
R
)
mg\bigl(1 - \dfrac{h}{R}\bigr)
m
g
(
1
−
R
h
)
(c)
m
g
(
1
−
2
h
R
)
mg\bigl(1 - 2\dfrac{h}{R}\bigr)
m
g
(
1
−
2
R
h
)
(d)
m
g
(
1
−
h
2
R
2
)
mg\bigl(1 - \dfrac{h^{2}}{R^{2}}\bigr)
m
g
(
1
−
R
2
h
2
)
Related theory
Variation of g
Gravitational Field & Acceleration
Gravitation
Acceleration due to gravity above and below Earth's surface
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