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# The Values of G at Six Distances A, B, C, D, E and F from the Surface of the Earth Are Found to Be 3.08 M/S2, 9.2.3 M/S2, 0.57 M/S2, 7.34 M/S2, 0.30 M/S2 and 1.49 M/S2, Respectively. (A) Narrange Thes - CBSE Class 9 - Science

ConceptFree Fall - Motion of Objects Under the Influence of Gravitational Force of the Earth

#### Question

The values of g at six distances A, B, C, D, E and F from the surface of the earth are found to be 3.08 m/s2, 9.23 m/s2, 0.57 m/s2, 7.34 m/s2, 0.30 m/s2 and 1.49 m/s2, respectively.
(a) Arrange these values of g according to the increasing distances from the surface of the earth (keeping the value of g nearest to the surface of the earth first)
(b) If the value of distance F be 10000 km from the surface of the earth, state whether this distance is deep . inside the earth or high up in the sky. Give reason for your answer.

#### Solution

a) As g ∝ 1/r^2 , hence the value of g, according to the increasing distances from the earth, are as follows: 9.23 m/s27.34 m/s2, 3.08 m/s2, 1.49 m/s2, 0.57 m/s2, 0.30 m/s2
b) The place would be high up in the sky because the earth’s radius is 6,400 km which is lesser than 10000 km.

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#### APPEARS IN

Lakhmir Singh Solution for Science for Class 9 Part 1 Physics (2016 to Current)
Chapter 3: Gravitation
Hots Questions | Q: 77 | Page no. 104
Solution The Values of G at Six Distances A, B, C, D, E and F from the Surface of the Earth Are Found to Be 3.08 M/S2, 9.2.3 M/S2, 0.57 M/S2, 7.34 M/S2, 0.30 M/S2 and 1.49 M/S2, Respectively. (A) Narrange Thes Concept: Free Fall - Motion of Objects Under the Influence of Gravitational Force of the Earth.
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