Gravitation questions
1239 published questions with worked solutions.
- The gravitational field due to a mass distribution is I= k x^3 in the x-direction (k is a constant). Taking the gravitational...
- A particle of mass m is placed at the centre of a uniform spherical shell of mass 3m and radius R. The gravitational potential on...
- The mass of the moon is 7.34 10^ 22 kg and its radius is 1.74 10^6 m. The value of gravitational field intensity (at its surface)...
- Gravitational potential on the surface of earth is (M= mass of the earth, R= radius)
- A particle of mass m is placed inside a spherical shell, away from its centre. The mass of the shell is M.
- The gravitational potential difference between the surface of a planet and a point 20 m above it is 14 Jkg ^ -1 . The work done...
- A body of mass m is moved to a height h equal to the radius of the earth. The increase in potential energy is
- A mass m is placed at a point B in the gravitational field of mass M. When the mass m is brought from B to a point A nearer to M,...
- A space ship moves from earth to moon and back. The greatest energy required for the space ship is to overcome the difficulty in
- The mass of the earth is 6.00 10^ 24 kg. The constant of gravitation G=6.67 10^ -11 Nm ^2 kg ^ -2 . The potential energy of the...
- The change in potential energy when a body of mass m is raised to a height nR from the centre of earth (R= radius of earth) is
- The gravitational field in a region is given by I=(4 i+ j) Nkg ^ -1 . Work done by this field is zero when a particle is moved...
- What is the binding energy of the earth–sun system, neglecting the effect of other planets and satellites? (Mass of earth M_e=6...
- A satellite S is moving in an elliptical orbit around the earth. The mass of the satellite is very small compared to the mass of...
- Out of the following, the only correct statement about satellites is
- The escape velocity from the earth is 11 kms ^ -1 . The escape velocity from a planet having twice the radius and the same mean...
- For a body to escape from earth, the angle at which it should be fired is
- The escape velocity for a body projected vertically upwards from the surface of the earth is 11.2 kms ^ -1 . If the body is...
- If the moon is to escape from the gravitational field of the earth forever, it will require a velocity of
- The mass of the moon is 1/81 of earth's mass and its radius is 1/4th that of the earth. If the escape velocity from the earth's...
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