EASY

JEE Advanced

IMPORTANT

Earn 100

Two spheres of masses $64 k g$ and $289 k g$ are placed a distance $10 m$ apart. Find the position of a point on the line joining the centres of the two spheres, where the gravitational field is zero.

Important Questions on Gravitation

EASY

JEE Advanced

IMPORTANT

Physics For Joint Entrance Examination JEE (Advanced): Mechanics II>Chapter 5 - Gravitation>CONCEPT APPLICATION EXERCISE>Q 3

If the radius of Earth is $6000 k m$ , what will be the weight of $120 k g$ body if taken to a height of $2000 k m$ above sea level (i.e., surface of the Earth)?

EASY

JEE Advanced

IMPORTANT

Physics For Joint Entrance Examination JEE (Advanced): Mechanics II>Chapter 5 - Gravitation>CONCEPT APPLICATION EXERCISE>Q 4

Where will you weigh more and why:

2 k m

above the surface of earth or

2 k m

helow the surface of earth?

MEDIUM

JEE Advanced

IMPORTANT

Physics For Joint Entrance Examination JEE (Advanced): Mechanics II>Chapter 5 - Gravitation>CONCEPT APPLICATION EXERCISE>Q 5

Find the maximum change in reading of a spring balance if a block of mass

m

is brought from pole to equator.

EASY

JEE Advanced

IMPORTANT

Physics For Joint Entrance Examination JEE (Advanced): Mechanics II>Chapter 5 - Gravitation>CONCEPT APPLICATION EXERCISE>Q 6

Find the height above the earth's surface, where the value of acceleration due to gravity is

{(3 / 4)}^{t h}

the value on the surface, (take the radius of earth as

R

EASY

JEE Advanced

IMPORTANT

Physics For Joint Entrance Examination JEE (Advanced): Mechanics II>Chapter 5 - Gravitation>CONCEPT APPLICATION EXERCISE>Q 7

Find the percentage change in the acceleration due to gravity when a small body is taken to an altitude

\frac{R}{100}

EASY

JEE Advanced

IMPORTANT

Physics For Joint Entrance Examination JEE (Advanced): Mechanics II>Chapter 5 - Gravitation>CONCEPT APPLICATION EXERCISE>Q 8

The value of

' g'

at a depth

d

, is two-third the value that on the earth's surface. Find

d

in terms of radius of earth

R

MEDIUM

JEE Advanced

IMPORTANT

Physics For Joint Entrance Examination JEE (Advanced): Mechanics II>Chapter 5 - Gravitation>CONCEPT APPLICATION EXERCISE>Q 9

The distance between earth and moon is

3.8 \times 10^{5} k m

and the mass of earth is

81

times the mass of the moon. Find the position of a point on the line joining the centres of earth and moon, where the gravitational field is zero. What would be the value of gravitational field there due to the earth and moon separately?
Given, radius of the earth

= 6.4 \times 10^{6} m

EASY

JEE Advanced

IMPORTANT

Physics For Joint Entrance Examination JEE (Advanced): Mechanics II>Chapter 5 - Gravitation>CONCEPT APPLICATION EXERCISE>Q 10

A uniform solid sphere of mass

M

and radius

a

is surrounded symmetrically by a uniform thin spherical shell of equal mass and radius

2 a

. Find the gravitational field at a distance

3 a / 2

from the centre

Two spheres of masses 64kg and 289kg are placed a distance 10m apart. Find the position of a point on the line joining the centres of the two spheres, where the gravitational field is zero.

Important Questions on Gravitation

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Two spheres of masses $64 k g$ and $289 k g$ are placed a distance $10 m$ apart. Find the position of a point on the line joining the centres of the two spheres, where the gravitational field is zero.