Gravitation questions
1239 published questions with worked solutions.
- A geostationary satellite is revolving around the earth. If the radius of the earth is 'R' and the angular speed about its own...
- The escape velocity for a planet whose mass is six times the mass of earth and radius is twice the radius of earth will be [V_e =...
- Periodic time of a satellite revolving above the earth's surface at a height equal to radius of the earth 'R' is [g =...
- Consider a planet whose density is same as that of the earth but whose radius is three times the radius 'R' of the earth. The...
- A thin rod of length 'L' is bent in the form of a circle. Its mass is 'M'. What force will act on mass 'm' placed at the center...
- A body weighs 300N on the surface of the earth. How much will it weigh at a distance R 2 below the surface of earth? (R Radius of...
- A satellite is revolving around a planet in a circular orbit close to its surface. Let be the mean density and 'R' be the radius...
- The radius of the planet is double that of the earth, but their average densities are same. V_p and V_E are the escape velocities...
- The period of a planet around the sun is 8 times that of earth. The ratio of radius of planet's orbit to the radius of the...
- A body is projected vertically from earth's surface with velocity equal to half the escape velocity. The maximum height reached...
- For a satellite orbiting around the earth in a circular orbit, the ratio of potential energy to kinetic energy at same height is
- A satellite moves in a stable circular orbit round the earth if (where V<sub>H</sub>, V<sub>c</sub> and V<sub>e</sub> are the...
- The density of a new planet is twice that of earth. The acceleration due to gravity at the surface of the planet is equal to that...
- A small planet is revolving around a very massive star in a circular orbit of radius 'R' with a period of revolution 'T'. If the...
- Binding energy of a revolving satellite at height 'h' is 3.5 10^8 J. Its potential energy is
- The depth below the earth's surface at which the acceleration due to gravity 'g' becomes gn is (R = radius of the earth, n is an...
- The mass and radius of the earth and moon are M_1, R_1, and M_2, R_2 respectively. The distance between their centres is 'd'. The...
- The density of a planet is three times that of earth and radius 2.5 times that of earth. If g_p and g_e represents acceleration...
- Given below are two statements: Statement I: Acceleration due to earth's gravity decreases as you go 'up' or 'down' from earth's...
- The radius of the orbit of a geostationary satellite is (mean radius of earth is 'R' angular velocity about own axis is ' ' and...
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