Gravitation questions
1239 published questions with worked solutions.
- If the distance of the earth from Sun is 1.5 10^6km. Then the distance of an imaginary planet from Sun, if its period of...
- The weight of a body at the surface of earth is 18 N. The weight of the body at an altitude 3200 km above the earth's surface is...
- Every planet revolves around the sun in an elliptical orbit: A. The force acting on a planet is inversely proportional to square...
- A body of mass is taken from earth surface to the height h equal to twice the radius of earth (R_e), the increase in potential...
- The time period of a satellite of earth is 24 hours. If the separation between the earth and the satellite is decreased to one...
- Two particles of equal mass 'm' move in a circle of radius 'r' under the action of their mutual gravitational attraction. The...
- An object is allowed to fall from a height R above the earth, where R is the radius of earth. Its velocity when it strikes the...
- If the gravitational field in the space is given as (- K r^2 ). Taking the reference point to be at r = 2 cm. the gravitational...
- A body weight W, is projected vertically upwards from earth's surface to reach a height above the earth which is equal to nine...
- At a certain depth "d" below surface of earth, value of acceleration due to gravity becomes four times that is value at a height...
- The kinetic energy needed to project a body of mass m from the earth surface (radius R) to infinity is
- If suddenly the gravitational force of attraction between Earth and a satellite revolving around it becomes zero, then the...
- Energy required to move a body of mass m from an orbit of radius 2R to 3R is
- The escape velocity of a body depends upon mass as
- The time period of a satellite of earth is 5 hours. If the separation between the earth and the satellite is increased to 4 times...
- The escape velocity for a body projected vertically upwards from the surface of earth is 11 km/s. If the body is projected at an...
- A satellite of mass m revolves around the earth of radius R at a height x from its surface. If g is the acceleration due to...
- The time period of an earth satellite in circular orbit is independent of
- If g is the acceleration due to gravity on the earth's surface, the gain in the potential energy of object of mass m raised from...
- Suppose the gravitational force varies inversely as the nth power of distance. Then the time period planet in circular orbit of...
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