Gravitation questions
1239 published questions with worked solutions.
- A black hole is an object whose gravitational field is so strong that even light cannot escape from it. To what approximate...
- Kepler's third law states that square of period of revolution (T) of a planet around the sun, is proportional to third power of...
- At what height from the surface of earth the gravitation potential and the value of g are -5.4 10^7 J kg ^ -2 and 6.0 m s ^ -2...
- The acceleration due to gravity at a height 1 km above the earth is the same as at a depth d below the surface of earth. Then
- If the mass of the Sun were ten times smaller and the universal gravitational constant were ten times larger in magnitude, which...
- A body weighs 200 N on the surface of the earth. How much will it weigh half way down to the centre of the earth ?
- The work done to raise a mass m from the surface of the earth to a height h, which is equal to the radius of the earth, is:
- The height above the earth's surface at which the acceleration due to gravity becomes ( 1 n ) times the value at the surface is...
- The magnitude of gravitational field at distance 'r_1' and 'r_2' from the centre of a uniform sphere of radius 'R' and mass 'm'...
- The distance of the two planets A and B from the sun are r_A and r_B respectively. Also r_B is equal to 100 ,r_A. If the orbital...
- Earth mass M_1 radius R_1 and moon mass M_2 and radius R_2. Distance between their centres is 'r'. A body of mass 'M' is placed...
- The escape capacity velocity from earth surface is 11 km/s. The escape velocity from a planet having twice the radius and same...
- If 'R' is the radius of earth & 'g' is acceleration due to gravity on earth's surface then mean density of earth is
- The height 'h' above the earth's surface at which the value of acceleration due to gravity (g) becomes ( g 3 ) is (R = radius of...
- A body of mass 'm' is dropped from a height R 2 , from the surface of earth where 'R' is radius of earth. It's speed when it will...
- The acceleration due to gravity on moon is 1 6 th times the acceleration due to gravity on earth. If the ratio of the density of...
- A satellite of mass 'm' is revolving around the earth of mass 'M' in an orbit of radius 'r'. The angular momentum of the...
- The time period 'T' of a satellite is related to the density ( ) of the planet which is orbiting close around the planet as
- The escape velocity of a body from the surface of the earth is 11.2 km/s. The escape velocity of body from a planet having same...
- A body weighs 'W' newton on the surface of the earth. Its weight at a height to half the radius of the earth, will be
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