Gravitation questions
1239 published questions with worked solutions.
- STATEMENT-1: An astronaut in an orbiting space station above the Earth experiences weightlessness. STATEMENT-2: An object moving...
- What is the minimum energy required to launch a satellite of mass m from the surface of a planet of mass M and radius R in a...
- Initially a satellite of 100 kg is in a circular orbit of radius 1.5R_E. This satellite can be moved to a circular orbit of...
- The escape velocity from a spherical planet A is 10 km/s. The escape velocity from another planet B whose density and radius are...
- Net gravitational force at the centre of a square is found to be F_1 when four particles having mass M, 2M, 3M and 4M are placed...
- Given below are two statements : Statement I: A satellite is moving around earth in the orbit very close to the earth surface....
- Three masses 200 kg, 300 kg and 400 kg are placed at the vertices of an equilateral triangle with sides 20 m. They are rearranged...
- If a satellite orbiting the Earth is 9 times closer to the Earth than the Moon, what is the time period of rotation of the...
- A satellite of mass M 2 is revolving around earth in a circular orbit at a height of R 3 from earth surface. The angular momentum...
- A satellite is launched into a circular orbit of radius 'R' around the earth. A second satellite is launched into an orbit of...
- Acceleration due to gravity on the surface of earth is 'g'. If the diameter of earth is reduced to one third of its original...
- Earth has mass 8 times and radius 2 times that of a planet. If the escape velocity from the earth is 11.2 km/s, the escape...
- A satellite of mass 1000 kg is launched to revolve around the earth in an orbit at a height of 270 km from the earth's surface....
- Assertion A : The kinetic energy needed to project a body of mass m from earth surface to infinity is 1 2 mgR, where R is the...
- An object is kept at rest at a distance of 3R above the earth's surface where R is earth's radius. The minimum speed with which...
- Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : The...
- Four particles, each of mass M and equidistant from each other, move along a circle of radius R under the action of their mutual...
- A satellite is revolving in a circular orbit at a height 'h' from the earth's surface (radius of earth R; h << R). The minimum...
- The relative uncertainty in the period of a satellite orbiting around the earth is 10^ -2 . If the relative uncertainty in the...
- Suppose that the angular velocity of rotation of earth is increased. Then, as a consequence.
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