The mass of the moon is 1 8 of the mass of the earth but the gravitational pull is 1 6 of that of the earth. It is due to the fact that

the radius of the earth is 8 6 of the moon.

the radius of the earth is 9 6 of the moon.

moon is the satellite of the earth.

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The value of $g$ at a certain height above the surface of the earth is $16 %$ of its value on the surface. The height is $(R = 6300 km)$ ,

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Important Questions on Gravitation

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IMPORTANT

MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 10 - Gravitation>Critical Thinking>Q 52

Assuming the earth as a sphere of uniform density, the acceleration due to gravity half way towards the centre of the earth will be,

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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 10 - Gravitation>Critical Thinking>Q 53

If the change in the value of

g

at a depth

d

below the surface of the earth is equal to that on the surface at a latitude of angle

ϕ

, then,

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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 10 - Gravitation>Critical Thinking>Q 54

If the earth of radius

R

, while rotating with angular velocity

ω

, becomes stand still, what will be the effect on the weight of a body of mass

m

at a latitude of

45 °

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IMPORTANT

MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 10 - Gravitation>Critical Thinking>Q 55

The mass of the moon is

\frac{1}{8}

of the mass of the earth but the gravitational pull is

\frac{1}{6}

of that of the earth. It is due to the fact that

EASY

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IMPORTANT

MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 10 - Gravitation>Critical Thinking>Q 56

A body weighs

63 N

on the surface of the Earth. At a height

h

above the surface of Earth, its weight is

28 N

while at a depth

h

below the surface of the Earth, the weight is

31.5 N

. The value of

h

EASY

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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 10 - Gravitation>Critical Thinking>Q 57

If the earth were assumed to have uniform density and spherical symmetry, then the value of

g

m s^{- 2}

halfway towards the centre of earth would be

[g = 10 m s^{- 2}]

EASY

MHT-CET

IMPORTANT

MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 10 - Gravitation>Critical Thinking>Q 58

The radius of the Earth shrinks by

1 %

, its mass remaining the same. The percentage change in the value of

g

EASY

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IMPORTANT

MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 10 - Gravitation>Critical Thinking>Q 59

If the value of the gravitational acceleration at the height

h

1 %

of its value at the surface of the earth, then

h

is equal to (given

R_{e} = 6400 km

)

The value of g at a certain height above the surface of the earth is 16% of its value on the surface. The height is R=6300 km,

Important Questions on Gravitation

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The value of $g$ at a certain height above the surface of the earth is $16 %$ of its value on the surface. The height is $(R = 6300 km)$ ,