Gravitation questions
1239 published questions with worked solutions.
- The weights of an object are measured in a coal mine of depth 'h_1' then at sea level of height 'h_2' and lastly at the top of a...
- A body of mass m is taken from earth surface to a height h equal to twice the radius of earth, the increase in potential energy...
- The masses and radii of the earth and moon are M_1, R_1 and M_2, R_2 and respectively, Their centres are at a distance 'd' apart....
- A boy weighs 72 N on the surface of earth. The gravitational force on a body due to earth at a height equal to half the radius of...
- A satellite is orbiting just above the surface of the planet of density ' ' with periodic time 'T'. The quantity T^2 is equal to...
- The speed with which the earth would have to rotate about its axis so that a person on the equator would weigh 3 5 th as much as...
- Two planets A and B are orbiting around the sun. The distances of the two planets A and B from the sun are r_A and r_B...
- The acceleration due to gravity at a height 'h' above the surface of earth is 'g<sub>h</sub>'. At the depth 90 km below the...
- The escape velocity of a satellite from the surface of earth does NOT depend on
- A satellite is revolving around a planet in a circular orbit close to its surface. Let p be mean density and R be the radius of...
- A geostationary satellite is orbiting the earth at a height of 4R above the surface of the earth, where R is the radius of the...
- The percentage decrease in the weight of a body when taken to a height of 48 km above the surface of the earth is (Radius of the...
- The radii of circular orbits of two satellites A and B of the earth are '4R' and 'R' respectively, where R is the radius of...
- The total energy of a circularly orbiting satellite is
- The magnitude of gravitational potential energy of a body at a distance 'R' from the centre of the earth is 'E'. Its weight at a...
- Two satellites P and Q go round a planet in circular orbits having radii '3R' and 'R' respectively. If the speed of satellite P...
- The gravitational pull of the moon is ( 1 6 )^ th of the earth and mass of moon is ( 1 8 )^ th of the earth. This implies that the
- A uniform solid sphere of mass 'm' and radius 'r' is surrounded by a uniform thin spherical shell of radius '2r' and mass 'm'...
- The depth at which the value of acceleration due to gravity becomes ( 1 n ) times the value at the surface of the earth is (R =...
- The depth at which acceleration due to gravity becomes g n is (R = radius of earth, g = acceleration due to gravity) (n = integer)
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