Gravitation questions
1239 published questions with worked solutions.
- A man is standing on an international space station, which is orbiting earth at an altitude 520 km with a constant speed 7.6...
- Assuming earth to be a sphere of uniform density, what is the value of gravitational acceleration in a mine 100 km below the...
- Assuming that the earth is a sphere of radius R_E with uniform density, the distance from its centre at which the acceleration...
- Let g be the acceleration due to gravity at earth's surface and K be the rotational kinetic energy of the earth. Suppose the...
- An artificial satellite is revolving round the earth in a circular orbit. Its velocity is half the escape velocity (from the...
- The escape velocity of a projectile from the earth is approximately [DPMT 1982, RPMT 1984, BHU 1998, AMU (Engg.) 1999]
- The mass and radius of the sun are 1.99 10^ 30 kg and R=6.96 10^8 m. The escape velocity of a rocket from the Sun is [DUMET 2010]
- In a gravitational field, at a point where the gravitational potential is zero [CPMT 1990]
- In some region, the gravitational field is zero. The gravitational potential in this region [BVP 2003]
- Escape velocity of a body of 1 kg mass on a planet is 100 m/sec. Gravitational potential energy of the body at the planet is
- The mass of a spaceship is 1000 kg. It is to be launched from the earth's surface out into free space. The value of g and R...
- If acceleration due to gravity on the surface of a planet is two times that on earth's surface and its radius is double that of...
- If the escape velocity of a planet is 3 times that of the earth and its radius is 4 times that of the earth, then the mass of the...
- Escape velocity on the earth [BHU 2001]
- If the radius of a planet is R and its density is , the escape velocity from its surface will be [MP PMT 2001]
- For the moon to cease to remain the earth's satellite, its orbital velocity has to increase by a factor of
- The change in the gravitational potential energy when a body of mass m is raised to a height nR above the surface of the earth is...
- What is the intensity of the gravitational field at the centre of a spherical shell? [RPET 2000]
- The escape velocity of an object from the earth depends upon the mass of the earth (M), its mean density ( ), its radius (R), and...
- The velocity with which a projectile must be fired so that it escapes earth's gravitation does not depend on [AIIMS 2003, Similar...
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