Gravitation questions
1239 published questions with worked solutions.
- For a particle projected in a transverse direction from a height h above earth's surface, find the minimum initial velocity so...
- The escape velocity for a body projected vertically upwards is 11.2 km/s. If the body is projected in a direction making an angle...
- Two equal masses each equal to m are suspended from a balance whose scale pans differ in vertical height by h. The error in...
- The percentage change in the acceleration of the Earth towards the Sun from a total eclipse of the Sun to the point where the...
- Imagine a light planet revolving around a very massive star in a circular orbit of radius r with a period of revolution T. If the...
- If a planet of given density was made larger, its force of attraction for an object on its surface would increase because of...
- If three particles each of mass M are placed at the three corners of an equilateral triangle of side a, then the forces exerted...
- Two objects of masses m and 4m are at rest at infinite separation. They move towards each other under mutual gravitational...
- The magnitude of force of attraction on a point mass m due to hollow spherical shell of mass M and radius R as a function of its...
- If suppose moon is suddenly stopped and then released (given, radius of moon is 14th of the radius of earth and the acceleration...
- The mass of the moon is (1/8) th of the earth but the gravitational pull is (1/6) th of the earth. It is due to the fact that,
- The depth d, at which the value of acceleration due to gravity becomes 1 n times the value at the surface, is (where, R = radius...
- A body has a weight 72 N. When it is taken to a height h = R = radius of earth, it would weight
- If the diameter of mars is 6760 km and mass one-tenth that of the earth. The diameter of earth is 12742 km. If acceleration due...
- A body weighs w newton at the surface of the earth. Its weight at a height equals to half the radius of the earth, will be
- A body weighs 45 N on the surface of the earth. What is the gravitational force on it due to the earth at a height equal to half...
- The time period of the moon is T = 27.3 days and radius of orbit is R_m = 3.84 10^ 8 m. The value of centripetal acceleration due...
- If one assumes that the gravitational force due to the earth decreases in proportion to the inverse square of the distance from...
- The magnitude of gravitational field at distances r_1 and r_2 from the centre of a uniform sphere of radius R and mass M are I_1...
- Three particles each of mass M are kept at vertices of an equilateral triangle of side L. The gravitational field at centre due...
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