Gravitation questions
1239 published questions with worked solutions.
- Match List-I with List-II. (Where a = radius of planet orbit, r = radius of planet, M = mass of Sun, m = mass of planet) List-I:...
- A satellite of mass m is launched vertically upwards with an initial speed u from the surface of the earth. After it reaches...
- An asteroid is moving directly towards the centre of the earth. When at a distance of 10 R (R is the radius of the earth) from...
- The height 'h' at which the weight of a body will be the same as that at the same depth 'h' from the surface of the earth is...
- Assuming the earth to be a sphere of uniform mass density, a body weighed 300 N on the surface of earth. How much it would weigh...
- The mass density of a spherical galaxy varies as K r over a large distance 'r' from its centre. In that region, a small star is...
- A satellite is moving in a low nearly circular orbit around the earth. Its radius is roughly equal to that of the earth's radius...
- Two planets A and B having masses m₁ and m₂ move around the sun in circular orbits of r₁ and r₂ radii respectively. If angular...
- Two satellite A and B go round a planet in circular orbits having radii 4R and R respectively. If the speed of A is 3v, the speed...
- On the x-axis and at a distance x from the origin, the gravitational field due to a mass distribution is given by Ax (x^2+a^2)^...
- A body is moving in a low circular orbit about a planet of mass M and radius R. The radius of the orbit can be taken to be R...
- The value of the acceleration due to gravity is g_1 at a height h= R 2 (R = radius of the earth) from the surface of the earth....
- The acceleration due to gravity on the earth's surface at the poles is g and angular velocity of the earth about the axis passing...
- Two planets have masses M and 16 M and their radii are a and 2a, respectively. The separation between the centres of the planets...
- The mass of a planet is 1 10 th that of the earth and its diameter is half that of the earth. The acceleration due to gravity on...
- A body weighs 72 N on the surface of the earth. What is the gravitational force on it, at a height equal to half the radius of...
- A body of mass 60 g experiences a gravitational force of 3.0 N, when placed at a particular point. The magnitude of the...
- The mass of a planet is 1 10 th that of the earth and its diameter is half that of the earth. The acceleration due to gravity on...
- The minimum energy required to launch a satellite of mass m from the surface of earth of mass M and radius R in a circular orbit...
- A planet (P₁) is moving around the star of mass 2M in the orbit of radius R. Another planet (P₂) is moving around another star of...
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